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    <title>Documentation – Aggiungere campi riga e colonna a una tabella pivot in Aspose.Cells per .NET</title>
    <link>https://docs.aspose.com/cells/it/nodejs-cpp/pivot-table-add-row-and-column-fields/</link>
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      <title>Nodejscpp: Filtrare le tabelle pivot per etichetta o valore</title>
      <link>https://docs.aspose.com/cells/it/nodejs-cpp/filter-by-label-or-value-of-pivot-table/</link>
      <pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate>
      
      <guid>https://docs.aspose.com/cells/it/nodejs-cpp/filter-by-label-or-value-of-pivot-table/</guid>
      <description>
        
        
        

&lt;div class=&#34;alert alert-primary&#34; role=&#34;alert&#34;&gt;

Aspose.Cells offre cinque strategie pratiche per filtrare i dati visualizzati in una tabella pivot. È possibile applicare filtri per etichetta ai campi di riga o colonna basati su testo, utilizzare filtri per data quando il campo contiene solo celle di tipo data-ora o vuote, applicare filtri per valore rispetto ai numeri aggregati, utilizzare i filtri primi 10 per classificare in base a un campo valore, oppure nascondere e mostrare manualmente i singoli elementi pivot tramite la proprietà &lt;code&gt;IsHidden&lt;/code&gt;. Ogni strategia è esposta tramite API dedicate sulle classi &lt;code&gt;PivotField&lt;/code&gt; e &lt;code&gt;PivotItem&lt;/code&gt;.
&lt;/div&gt;

&lt;h2 id=&#34;introduzione&#34;&gt;&lt;strong&gt;Introduzione&lt;/strong&gt;&lt;/h2&gt;
&lt;p&gt;Le tabelle pivot sono potenti strumenti di analisi, ma i riepiloghi grezzi spesso contengono molte più informazioni di quelle che è necessario presentare. Il filtraggio è il meccanismo principale per restringere una tabella pivot alle righe, alle colonne o ai valori che interessano per un report specifico. Aspose.Cells for Node.js via C++ rispecchia le funzionalità di filtraggio disponibili in Microsoft Excel, esponendole in modo programmatico così che la generazione dei report possa essere completamente automatizzata.&lt;/p&gt;
&lt;p&gt;In questo articolo vengono trattate le seguenti strategie di filtraggio:&lt;/p&gt;
&lt;ol&gt;
&lt;li&gt;&lt;strong&gt;Filtro per etichetta&lt;/strong&gt; — filtra gli elementi di un campo di riga o colonna in base alle loro etichette di testo.&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;Filtro per data&lt;/strong&gt; — filtra i campi di riga o colonna che contengono solo valori di tipo data-ora (o vuoti).&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;Filtro per valore&lt;/strong&gt; — filtra gli elementi in base ai valori aggregati di un campo dati.&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;Filtro primi 10&lt;/strong&gt; — mostra solo i primi o gli ultimi N elementi classificati in base a un campo valore.&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;Nascondere/Mostrare elementi pivot&lt;/strong&gt; — controlla manualmente la visibilità di ciascun singolo elemento in un campo.&lt;/li&gt;
&lt;/ol&gt;
&lt;p&gt;Ogni approccio utilizza un metodo diverso sulla classe &lt;code&gt;PivotField&lt;/code&gt; oppure una proprietà sulla classe &lt;code&gt;PivotItem&lt;/code&gt;. Dopo aver applicato qualsiasi filtro, è necessario chiamare &lt;code&gt;refreshData()&lt;/code&gt; e &lt;code&gt;calculateData()&lt;/code&gt; sulla tabella pivot in modo che i dati memorizzati nella cache e i valori calcolati riflettano il nuovo stato del filtro.&lt;/p&gt;
&lt;h2 id=&#34;filtro-per-etichetta&#34;&gt;&lt;strong&gt;Filtro per etichetta&lt;/strong&gt;&lt;/h2&gt;
&lt;p&gt;Un filtro per etichetta consente di filtrare gli elementi di un campo di riga o colonna confrontando le loro didascalie di testo con un modello. Ciò è utile quando si desidera visualizzare solo i prodotti i cui nomi iniziano con una lettera specifica, contengono una determinata parola o soddisfano un altro criterio basato sulla didascalia.&lt;/p&gt;
&lt;p&gt;Aspose.Cells espone il filtraggio per etichetta tramite il metodo &lt;code&gt;PivotField.filterByLabel(PivotFilterType, string)&lt;/code&gt;. L&amp;rsquo;enumerazione &lt;code&gt;PivotFilterType&lt;/code&gt; include valori come &lt;code&gt;CaptionBeginsWith&lt;/code&gt;, &lt;code&gt;CaptionContains&lt;/code&gt;, &lt;code&gt;CaptionEndsWith&lt;/code&gt;, &lt;code&gt;CaptionDoesNotContain&lt;/code&gt;, &lt;code&gt;CaptionIsNotBlank&lt;/code&gt;, &lt;code&gt;CaptionIsBlank&lt;/code&gt; e così via. Il secondo argomento fornisce la stringa di etichetta utilizzata per il confronto.&lt;/p&gt;
&lt;p&gt;L&amp;rsquo;esempio seguente carica una cartella di lavoro contenente una tabella pivot esistente, applica un filtro per etichetta in modo che solo gli elementi le cui didascalie iniziano con un prefisso specificato rimangano visibili, aggiorna la tabella pivot e salva il risultato.&lt;/p&gt;
&lt;div class=&#34;highlight&#34;&gt;&lt;pre class=&#34;chroma&#34;&gt;&lt;code class=&#34;language-javascript&#34; data-lang=&#34;javascript&#34;&gt;&lt;span class=&#34;kd&#34;&gt;let&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;fileName&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;s2&#34;&gt;&amp;#34;sample.xlsx&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;;&lt;/span&gt;
&lt;span class=&#34;kd&#34;&gt;let&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;prefix&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;s2&#34;&gt;&amp;#34;B&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;;&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Carica la cartella di lavoro esistente contenente una tabella pivot
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;kd&#34;&gt;let&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;workbook&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;k&#34;&gt;new&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;AsposeCells&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;Workbook&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;fileName&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Accedi al foglio di lavoro tramite indice (primo foglio di lavoro)
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;kd&#34;&gt;let&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;worksheet&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;workbook&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getWorksheets&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;().&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;get&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;mi&#34;&gt;0&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Accedi alla tabella pivot tramite indice
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;kd&#34;&gt;let&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;pivotTable&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;worksheet&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getPivotTables&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;().&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;get&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;mi&#34;&gt;0&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Recupera il primo PivotField di riga
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;kd&#34;&gt;let&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;rowField&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;pivotTable&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getRowFields&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;().&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;get&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;mi&#34;&gt;0&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Applica il filtro sulle etichette: mostra solo gli elementi di riga le cui etichette iniziano con il prefisso fornito
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;rowField&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;filterByLabel&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;AsposeCells&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;PivotFilterType&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;CaptionBeginsWith&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;,&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;prefix&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;,&lt;/span&gt; &lt;span class=&#34;s2&#34;&gt;&amp;#34;&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Aggiorna e ricalcola i dati della tabella pivot affinché il filtro abbia effetto
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;pivotTable&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getPivotCache&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;().&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;refresh&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;();&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Salva la cartella di lavoro su disco
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;workbook&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;save&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;fileName&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;h2 id=&#34;filtro-per-data&#34;&gt;&lt;strong&gt;Filtro per data&lt;/strong&gt;&lt;/h2&gt;
&lt;p&gt;I filtri per data consentono di restringere una tabella pivot in base a criteri basati sulla data, come oggi, la settimana scorsa, questo mese, il prossimo trimestre o un intervallo di date specifico. Sono filtri specializzati che funzionano solo con campi che memorizzano informazioni di data e ora.&lt;/p&gt;


&lt;div class=&#34;alert alert-primary&#34; role=&#34;alert&#34;&gt;

Il filtro per data funziona solo quando l&amp;rsquo;area di riga o di colonna contiene esclusivamente celle di tipo data-ora o valori vuoti. Se il campo sottostante contiene altri tipi di dati, come numeri o testo, il filtro per data non produrrà il risultato atteso. Assicurarsi che il campo sia formattato come data e che tutti i valori siano istanze &lt;code&gt;DateTime&lt;/code&gt; valide oppure celle vuote prima di applicare questo filtro.
&lt;/div&gt;

&lt;p&gt;Aspose.Cells espone il filtraggio per data tramite il metodo &lt;code&gt;PivotField.filterByDate(PivotFilterType, params DateTime[] values)&lt;/code&gt;. L&amp;rsquo;enumerazione &lt;code&gt;PivotFilterType&lt;/code&gt; contiene valori di data dedicati come &lt;code&gt;Today&lt;/code&gt;, &lt;code&gt;Yesterday&lt;/code&gt;, &lt;code&gt;LastWeek&lt;/code&gt;, &lt;code&gt;ThisWeek&lt;/code&gt;, &lt;code&gt;NextWeek&lt;/code&gt;, &lt;code&gt;LastMonth&lt;/code&gt;, &lt;code&gt;ThisMonth&lt;/code&gt;, &lt;code&gt;NextMonth&lt;/code&gt;, &lt;code&gt;LastQuarter&lt;/code&gt;, &lt;code&gt;ThisQuarter&lt;/code&gt;, &lt;code&gt;NextQuarter&lt;/code&gt;, &lt;code&gt;LastYear&lt;/code&gt;, &lt;code&gt;ThisYear&lt;/code&gt;, &lt;code&gt;NextYear&lt;/code&gt; e &lt;code&gt;Between&lt;/code&gt;. A seconda del tipo di filtro scelto, si passano uno o due valori &lt;code&gt;DateTime&lt;/code&gt; (per &lt;code&gt;Between&lt;/code&gt;, si passano la data di inizio e la data di fine).&lt;/p&gt;
&lt;p&gt;L&amp;rsquo;esempio seguente carica una cartella di lavoro con una tabella pivot la cui area di riga contiene un campo data, applica un filtro per data che limita gli elementi visibili a un particolare intervallo di date, aggiorna la tabella pivot e salva la cartella di lavoro.&lt;/p&gt;
&lt;div class=&#34;highlight&#34;&gt;&lt;pre class=&#34;chroma&#34;&gt;&lt;code class=&#34;language-javascript&#34; data-lang=&#34;javascript&#34;&gt;&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;AsposeCells&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;require&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;s2&#34;&gt;&amp;#34;aspose.cells&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;
&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;fs&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;require&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;s2&#34;&gt;&amp;#34;fs&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;inputPath&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;s2&#34;&gt;&amp;#34;sample.xlsx&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;;&lt;/span&gt;
&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;outputPath&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;s2&#34;&gt;&amp;#34;output_filtered.xlsx&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;;&lt;/span&gt;

&lt;span class=&#34;k&#34;&gt;if&lt;/span&gt; &lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;o&#34;&gt;!&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;fs&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;existsSync&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;inputPath&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;))&lt;/span&gt;
&lt;span class=&#34;p&#34;&gt;{&lt;/span&gt;
    &lt;span class=&#34;k&#34;&gt;throw&lt;/span&gt; &lt;span class=&#34;k&#34;&gt;new&lt;/span&gt; &lt;span class=&#34;nb&#34;&gt;Error&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;s2&#34;&gt;&amp;#34;Source workbook not found: &amp;#34;&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;+&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;inputPath&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;
&lt;span class=&#34;p&#34;&gt;}&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Carica la cartella di lavoro esistente che contiene la tabella pivot
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;workbook&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;k&#34;&gt;new&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;AsposeCells&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;Workbook&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;inputPath&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Accedi al foglio di lavoro che contiene la tabella pivot (per indice)
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;worksheet&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;workbook&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getWorksheets&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;().&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;get&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;mi&#34;&gt;0&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Accedi alla tabella pivot per indice
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;pivotTable&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;worksheet&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getPivotTables&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;().&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;get&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;mi&#34;&gt;0&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Recupera il PivotField della data dall&amp;#39;area delle righe
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;// (Il filtro per data funziona solo quando l&amp;#39;area delle righe/colonne contiene solo celle di data-ora o vuote)
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;dateField&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;pivotTable&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getRowFields&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;().&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;get&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;mi&#34;&gt;0&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Definisci il criterio della data per il filtro Between
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;startDate&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;k&#34;&gt;new&lt;/span&gt; &lt;span class=&#34;nb&#34;&gt;Date&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;mi&#34;&gt;2020&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;,&lt;/span&gt; &lt;span class=&#34;mi&#34;&gt;0&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;,&lt;/span&gt; &lt;span class=&#34;mi&#34;&gt;1&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;
&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;endDate&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;k&#34;&gt;new&lt;/span&gt; &lt;span class=&#34;nb&#34;&gt;Date&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;mi&#34;&gt;2020&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;,&lt;/span&gt; &lt;span class=&#34;mi&#34;&gt;11&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;,&lt;/span&gt; &lt;span class=&#34;mi&#34;&gt;31&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Applica il filtro per data sul campo pivot
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;dateField&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;filterByDate&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;AsposeCells&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;PivotFilterType&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;DateBetween&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;,&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;startDate&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;,&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;endDate&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Aggiorna e ricalcola la tabella pivot affinché il filtro abbia effetto
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;pivotTable&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getPivotCache&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;().&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;refresh&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;();&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Salva la cartella di lavoro
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;workbook&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;save&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;outputPath&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;h2 id=&#34;filtro-per-valore&#34;&gt;&lt;strong&gt;Filtro per valore&lt;/strong&gt;&lt;/h2&gt;
&lt;p&gt;I filtri per valore operano sui valori aggregati che una tabella pivot calcola nella propria area dati. Invece di confrontare etichette di testo, confrontano i totali numerici rispetto a una soglia. Casi d&amp;rsquo;uso tipici includono la visualizzazione solo dei prodotti la cui somma delle vendite supera un importo target oppure solo delle regioni il cui conteggio di transizioni rientra in un intervallo.&lt;/p&gt;
&lt;p&gt;Aspose.Cells espone il filtraggio per valore tramite il metodo &lt;code&gt;PivotField.filterByValue(PivotField valueField, PivotFilterType filterType, params object[] values)&lt;/code&gt;. Il parametro &lt;code&gt;filterType&lt;/code&gt; utilizza valori come &lt;code&gt;ValueGreaterThan&lt;/code&gt;, &lt;code&gt;ValueLessThan&lt;/code&gt;, &lt;code&gt;ValueBetween&lt;/code&gt;, &lt;code&gt;ValueEqual&lt;/code&gt;, &lt;code&gt;ValueNotEqual&lt;/code&gt;, &lt;code&gt;ValueGreaterThanOrEqual&lt;/code&gt; e &lt;code&gt;ValueLessThanOrEqual&lt;/code&gt;. Il parametro &lt;code&gt;valueField&lt;/code&gt; specifica quale campo dati deve essere valutato, mentre il/i valore/i finale/i fornisce la soglia o le soglie.&lt;/p&gt;
&lt;p&gt;L&amp;rsquo;esempio seguente carica una cartella di lavoro con una tabella pivot, applica un filtro per valore che mantiene solo gli elementi le cui vendite aggregate superano una soglia numerica, aggiorna la tabella pivot e salva la cartella di lavoro.&lt;/p&gt;
&lt;div class=&#34;highlight&#34;&gt;&lt;pre class=&#34;chroma&#34;&gt;&lt;code class=&#34;language-javascript&#34; data-lang=&#34;javascript&#34;&gt;&lt;span class=&#34;kd&#34;&gt;let&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;dataFieldIndex&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;-&lt;/span&gt;&lt;span class=&#34;mi&#34;&gt;1&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;;&lt;/span&gt;
&lt;span class=&#34;k&#34;&gt;for&lt;/span&gt; &lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;kd&#34;&gt;let&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;i&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;mi&#34;&gt;0&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;;&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;i&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;&amp;lt;&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;pivotTable&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getDataFields&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;().&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getCount&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;();&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;i&lt;/span&gt;&lt;span class=&#34;o&#34;&gt;++&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;)&lt;/span&gt; &lt;span class=&#34;p&#34;&gt;{&lt;/span&gt;
    &lt;span class=&#34;k&#34;&gt;if&lt;/span&gt; &lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;pivotTable&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getDataFields&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;().&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;get&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;i&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;)&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;===&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;dataField&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;)&lt;/span&gt; &lt;span class=&#34;p&#34;&gt;{&lt;/span&gt;
        &lt;span class=&#34;nx&#34;&gt;dataFieldIndex&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;i&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;;&lt;/span&gt;
        &lt;span class=&#34;k&#34;&gt;break&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;;&lt;/span&gt;
    &lt;span class=&#34;p&#34;&gt;}&lt;/span&gt;
&lt;span class=&#34;p&#34;&gt;}&lt;/span&gt;

&lt;span class=&#34;k&#34;&gt;if&lt;/span&gt; &lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;dataFieldIndex&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;&amp;gt;=&lt;/span&gt; &lt;span class=&#34;mi&#34;&gt;0&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;)&lt;/span&gt; &lt;span class=&#34;p&#34;&gt;{&lt;/span&gt;
    &lt;span class=&#34;nx&#34;&gt;rowField&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;filterByValue&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;dataFieldIndex&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;,&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;AsposeCells&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;PivotFilterType&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;ValueGreaterThan&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;,&lt;/span&gt; &lt;span class=&#34;mi&#34;&gt;5000&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;,&lt;/span&gt; &lt;span class=&#34;nb&#34;&gt;Number&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;MAX_VALUE&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;
&lt;span class=&#34;p&#34;&gt;}&lt;/span&gt;

&lt;span class=&#34;nx&#34;&gt;pivotTable&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getPivotCache&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;().&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;refresh&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;();&lt;/span&gt;

&lt;span class=&#34;nx&#34;&gt;workbook&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;save&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;s2&#34;&gt;&amp;#34;output.xlsx&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;h2 id=&#34;filtro-primi-10&#34;&gt;&lt;strong&gt;Filtro primi 10&lt;/strong&gt;&lt;/h2&gt;
&lt;p&gt;Il filtro primi 10 è una forma specializzata di filtro per valore che mantiene solo i primi o gli ultimi N elementi in base a un campo valore scelto. È comunemente utilizzato per report di classificazione, come &amp;ldquo;i primi 10 prodotti per ricavi&amp;rdquo; o &amp;ldquo;le ultime 5 regioni per conteggio delle vendite&amp;rdquo;.&lt;/p&gt;


&lt;div class=&#34;alert alert-primary&#34; role=&#34;alert&#34;&gt;

Il filtro primi 10 è efficace solo quando la tabella pivot dispone di uno o più campi pivot di valore nell&amp;rsquo;area dati. Senza almeno un campo valore, non esiste una misura aggregata rispetto alla quale classificare gli elementi e il filtro non può essere applicato.
&lt;/div&gt;

&lt;p&gt;Aspose.Cells espone il filtraggio primi 10 tramite il metodo &lt;code&gt;PivotField.filterTop10(int itemCount, bool isTop, PivotField valueField, PivotFilterType filterType)&lt;/code&gt;. Il parametro &lt;code&gt;itemCount&lt;/code&gt; definisce quanti elementi mantenere, &lt;code&gt;isTop&lt;/code&gt; indica se mantenere gli elementi superiori (true) o inferiori (false), &lt;code&gt;valueField&lt;/code&gt; fa riferimento al campo dati utilizzato per la classificazione e &lt;code&gt;filterType&lt;/code&gt; controlla come viene calcolato il valore (tipicamente &lt;code&gt;Sum&lt;/code&gt;, ma anche &lt;code&gt;Count&lt;/code&gt; e &lt;code&gt;Percent&lt;/code&gt;).&lt;/p&gt;
&lt;p&gt;L&amp;rsquo;esempio seguente carica una cartella di lavoro con una tabella pivot che contiene un campo valore, applica un filtro primi 10 per mantenere solo i 10 elementi più alti in base alla somma delle vendite, aggiorna la tabella pivot e salva la cartella di lavoro.&lt;/p&gt;
&lt;div class=&#34;highlight&#34;&gt;&lt;pre class=&#34;chroma&#34;&gt;&lt;code class=&#34;language-javascript&#34; data-lang=&#34;javascript&#34;&gt;&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;AsposeCells&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;require&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;s2&#34;&gt;&amp;#34;aspose.cells&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Carica la cartella di lavoro esistente che contiene la tabella pivot
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;inputPath&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;s2&#34;&gt;&amp;#34;input.xlsx&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;;&lt;/span&gt;
&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;outputPath&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;s2&#34;&gt;&amp;#34;output.xlsx&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;;&lt;/span&gt;
&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;workbook&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;k&#34;&gt;new&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;AsposeCells&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;Workbook&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;inputPath&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Accedi al foglio di lavoro che contiene la tabella pivot (indice 0)
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;worksheet&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;workbook&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getWorksheets&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;().&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;get&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;mi&#34;&gt;0&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Accedi alla tabella pivot tramite indice
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;pivotTable&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;worksheet&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getPivotTables&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;().&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;get&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;mi&#34;&gt;0&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Verifica che ci sia almeno un PivotField di valore nell&amp;#39;area dati
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;k&#34;&gt;if&lt;/span&gt; &lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;pivotTable&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getDataFields&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;().&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getCount&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;()&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;===&lt;/span&gt; &lt;span class=&#34;mi&#34;&gt;0&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;)&lt;/span&gt; &lt;span class=&#34;p&#34;&gt;{&lt;/span&gt;
    &lt;span class=&#34;k&#34;&gt;throw&lt;/span&gt; &lt;span class=&#34;k&#34;&gt;new&lt;/span&gt; &lt;span class=&#34;nb&#34;&gt;Error&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;s2&#34;&gt;&amp;#34;Pivot table has no value (data) PivotField.&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;
&lt;span class=&#34;p&#34;&gt;}&lt;/span&gt;
&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;valueField&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;pivotTable&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getDataFields&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;().&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;get&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;mi&#34;&gt;0&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Recupera il PivotField di riga di destinazione (il campo a cui vogliamo applicare Top 10)
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;rowField&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;pivotTable&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getRowFields&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;().&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;get&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;mi&#34;&gt;0&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Il primo (e unico) campo dati è all&amp;#39;indice 0; Top 10 classifica in base ad esso.
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;valueFieldIndex&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;mi&#34;&gt;0&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;;&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Applica il filtro Top 10 sul campo di riga:
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;//   - itemCount   = 10
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;//   - filterType  = PivotFilterType.Sum
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;//   - isTop       = true (top N; false significherebbe bottom N)
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;//   - valueFieldIndex = l&amp;#39;indice del campo dati utilizzato per classificare gli elementi
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;rowField&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;filterTop10&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;mi&#34;&gt;10&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;,&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;AsposeCells&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;PivotFilterType&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;Sum&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;,&lt;/span&gt; &lt;span class=&#34;kc&#34;&gt;true&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;,&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;valueFieldIndex&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Aggiorna i dati della tabella pivot e ricalcolala affinché il filtro abbia effetto
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;pivotTable&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getPivotTableCache&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;().&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;refresh&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;();&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Salva la cartella di lavoro
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;workbook&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;save&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;outputPath&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;h2 id=&#34;filtrare-nascondendo-o-mostrando-elementi-pivot&#34;&gt;&lt;strong&gt;Filtrare nascondendo o mostrando elementi pivot&lt;/strong&gt;&lt;/h2&gt;
&lt;p&gt;Oltre alle API di filtraggio strutturato, Aspose.Cells consente di controllare direttamente la visibilità di ciascun singolo elemento pivot. Iterando attraverso la raccolta &lt;code&gt;PivotItems&lt;/code&gt; di un &lt;code&gt;PivotField&lt;/code&gt; e attivando/disattivando la proprietà &lt;code&gt;IsHidden&lt;/code&gt;, è possibile eliminare selettivamente elementi specifici senza applicare un filtro basato su formule. Impostando &lt;code&gt;IsHidden = true&lt;/code&gt; l&amp;rsquo;elemento viene nascosto nella tabella pivot; impostando &lt;code&gt;IsHidden = false&lt;/code&gt; l&amp;rsquo;elemento viene mostrato nuovamente.&lt;/p&gt;
&lt;p&gt;Questo approccio è utile quando la regola di filtraggio è irregolare o specifica per un elemento, come nascondere un numero limitato di categorie denominate che non devono apparire in un determinato report. L&amp;rsquo;esempio seguente carica una tabella pivot, nasconde un elemento specifico per nome, mostra come mostrarlo nuovamente, aggiorna la tabella pivot e salva la cartella di lavoro.&lt;/p&gt;
&lt;div class=&#34;highlight&#34;&gt;&lt;pre class=&#34;chroma&#34;&gt;&lt;code class=&#34;language-javascript&#34; data-lang=&#34;javascript&#34;&gt;&lt;span class=&#34;nx&#34;&gt;Cells&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;require&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;s2&#34;&gt;&amp;#34;aspose.cells&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Carica una cartella di lavoro esistente contenente una tabella pivot
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;workbook&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;k&#34;&gt;new&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;AsposeCells&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;Workbook&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;s2&#34;&gt;&amp;#34;pivot_table_sample.xlsx&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Accedi al primo foglio di lavoro che contiene la tabella pivot
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;sheet&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;workbook&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getWorksheets&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;().&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;get&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;mi&#34;&gt;0&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Accedi alla tabella pivot per indice (la prima tabella pivot nel foglio)
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;pivotTable&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;sheet&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getPivotTables&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;().&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;get&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;mi&#34;&gt;0&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Recupera il PivotField di destinazione (il primo campo etichetta di riga in cui nasconderemo/mostreremo gli elementi)
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;pivotField&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;pivotTable&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getRowFields&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;().&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;get&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;mi&#34;&gt;0&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Itera attraverso la raccolta PivotItems del PivotField selezionato
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;itemCount&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;pivotField&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getPivotItems&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;().&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getCount&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;();&lt;/span&gt;
&lt;span class=&#34;k&#34;&gt;for&lt;/span&gt; &lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;kd&#34;&gt;let&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;i&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;mi&#34;&gt;0&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;;&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;i&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;&amp;lt;&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;itemCount&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;;&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;i&lt;/span&gt;&lt;span class=&#34;o&#34;&gt;++&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;)&lt;/span&gt;
&lt;span class=&#34;p&#34;&gt;{&lt;/span&gt;
    &lt;span class=&#34;kr&#34;&gt;const&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;item&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;=&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;pivotField&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getPivotItems&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;().&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;get&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;i&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;

    &lt;span class=&#34;c1&#34;&gt;// Nascondi gli elementi pivot che corrispondono a un nome/criterio specifico
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;    &lt;span class=&#34;k&#34;&gt;if&lt;/span&gt; &lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;item&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getName&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;()&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;==&lt;/span&gt; &lt;span class=&#34;s2&#34;&gt;&amp;#34;Item1&amp;#34;&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;||&lt;/span&gt; &lt;span class=&#34;nx&#34;&gt;item&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getName&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;()&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;==&lt;/span&gt; &lt;span class=&#34;s2&#34;&gt;&amp;#34;Item2&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;)&lt;/span&gt;
    &lt;span class=&#34;p&#34;&gt;{&lt;/span&gt;
        &lt;span class=&#34;nx&#34;&gt;item&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;setIsHidden&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;kc&#34;&gt;true&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;
    &lt;span class=&#34;p&#34;&gt;}&lt;/span&gt;

    &lt;span class=&#34;c1&#34;&gt;// Dimostra come mostrare nuovamente: rivisualizza un elemento pivot precedentemente nascosto
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;    &lt;span class=&#34;k&#34;&gt;if&lt;/span&gt; &lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;item&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getName&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;()&lt;/span&gt; &lt;span class=&#34;o&#34;&gt;==&lt;/span&gt; &lt;span class=&#34;s2&#34;&gt;&amp;#34;Item3&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;)&lt;/span&gt;
    &lt;span class=&#34;p&#34;&gt;{&lt;/span&gt;
        &lt;span class=&#34;nx&#34;&gt;item&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;setIsHidden&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;kc&#34;&gt;false&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;
    &lt;span class=&#34;p&#34;&gt;}&lt;/span&gt;
&lt;span class=&#34;p&#34;&gt;}&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Aggiorna e ricalcola la tabella pivot in modo che le modifiche abbiano effetto
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;pivotTable&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;getPivotCache&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;().&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;refreshData&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;();&lt;/span&gt;

&lt;span class=&#34;c1&#34;&gt;// Salva la cartella di lavoro — gli elementi nascosti rimangono nei dati sottostanti
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;// ma sono esclusi dall&amp;#39;output della tabella pivot visualizzata
&lt;/span&gt;&lt;span class=&#34;c1&#34;&gt;&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;workbook&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;.&lt;/span&gt;&lt;span class=&#34;nx&#34;&gt;save&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;s2&#34;&gt;&amp;#34;output_pivot_filtered.xlsx&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;h2 id=&#34;riepilogo&#34;&gt;&lt;strong&gt;Riepilogo&lt;/strong&gt;&lt;/h2&gt;
&lt;p&gt;Aspose.Cells for Node.js via C++ fornisce un set completo di funzionalità di filtraggio delle tabelle pivot che corrispondono a quelle disponibili in Microsoft Excel. I filtri per etichetta, per data e per valore coprono gli scenari analitici più comuni, mentre il filtro primi 10 gestisce i report di classificazione. Quando la regola di filtraggio è irregolare, la proprietà &lt;code&gt;PivotItem.IsHidden&lt;/code&gt; offre un fallback flessibile a livello di elemento. Combinando queste strategie, ad esempio applicando un filtro per etichetta e poi nascondendo elementi specifici, è possibile creare report di tabelle pivot mirati con precisione interamente da codice.
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&lt;/p&gt;

      </description>
    </item>
    
    <item>
      <title>Nodejscpp: Specificare la posizione assoluta dell elemento pivot</title>
      <link>https://docs.aspose.com/cells/it/nodejs-cpp/specifying-the-absolute-position-of-the-pivot-item/</link>
      <pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate>
      
      <guid>https://docs.aspose.com/cells/it/nodejs-cpp/specifying-the-absolute-position-of-the-pivot-item/</guid>
      <description>
        
        
        

&lt;div class=&#34;alert alert-primary&#34; role=&#34;alert&#34;&gt;

&lt;p&gt;A volte, gli utenti devono specificare la posizione assoluta degli elementi pivot, l&amp;rsquo;API di Aspose.Cells for Node.js via C++ ha introdotto alcune nuove proprietà e un metodo per soddisfare questa esigenza.&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;Aggiunta la proprietà &lt;a href=&#34;https://reference.aspose.com/cells/nodejs-cpp/pivotitem/#setPosition-number-&#34;&gt;&lt;strong&gt;PivotItem.setPosition&lt;/strong&gt;&lt;/a&gt; che può essere utilizzata per specificare l&amp;rsquo;indice di posizione in tutti i PivotItems indipendentemente dal nodo genitore. Aggiunta la proprietà &lt;a href=&#34;https://reference.aspose.com/cells/nodejs-cpp/pivotitem/#setPositionInSameParentNode-number-&#34;&gt;&lt;strong&gt;PivotItem.setPositionInSameParentNode&lt;/strong&gt;&lt;/a&gt; che può essere utilizzata per specificare l&amp;rsquo;indice di posizione nei PivotItems sotto lo stesso nodo genitore.&lt;/li&gt;
&lt;li&gt;Aggiunta del metodo &lt;a href=&#34;https://reference.aspose.com/cells/nodejs-cpp/pivotitem/#move-number-boolean-&#34;&gt;&lt;strong&gt;PivotItem.move&lt;/strong&gt;&lt;/a&gt; per spostare l&amp;rsquo;elemento su o giù in base al valore del conteggio, dove il conteggio è il numero di posizioni per spostare l&amp;rsquo;elemento pivot su o giù. Se il valore del conteggio è inferiore a zero, l&amp;rsquo;elemento verrà spostato verso l&amp;rsquo;alto mentre se il valore del conteggio è maggiore di zero, l&amp;rsquo;elemento pivot si sposterà verso il basso, il parametro di tipo Boolean isSameParent specifica se l&amp;rsquo;operazione di spostamento deve essere eseguita nello stesso nodo padre o meno.&lt;/li&gt;
&lt;li&gt;Il metodo &lt;em&gt;PivotItem.move(int count)&lt;/em&gt; è stato desueto, pertanto si consiglia di usare invece il nuovo metodo &lt;a href=&#34;https://reference.aspose.com/cells/nodejs-cpp/pivotitem/#move-number-boolean-&#34;&gt;&lt;strong&gt;PivotItem.move(number, boolean)&lt;/strong&gt;&lt;/a&gt;.&lt;/li&gt;
&lt;/ul&gt;

&lt;/div&gt;

&lt;p&gt;Il seguente codice di esempio crea una tabella pivot e specifica quindi le posizioni degli elementi pivot nello stesso nodo padre. Puoi scaricare i file &lt;a href=&#34;5112632.xlsx&#34;&gt;Excel di origine&lt;/a&gt; e &lt;a href=&#34;5112619.xlsx&#34;&gt;Excel di output&lt;/a&gt; per il tuo riferimento. Se apri il file Excel di output, vedrai che l&amp;rsquo;elemento pivot &amp;ldquo;4H12&amp;rdquo; si trova nella posizione 0 nel padre &amp;ldquo;K11&amp;rdquo; e &amp;ldquo;DIF400&amp;rdquo; si trova nella terza posizione. Allo stesso modo, CA32 si trova nella posizione 1 e AAA3 è nella posizione 2&lt;/p&gt;
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Si prega di notare che è necessario chiamare i metodi PivotTable.RefreshData e PivotTable.CalculateData prima di utilizzare le proprietà &lt;a href=&#34;https://reference.aspose.com/cells/nodejs-cpp/pivotitem/#setPosition-number-&#34;&gt;&lt;strong&gt;PivotItem.setPosition&lt;/strong&gt;&lt;/a&gt;, &lt;a href=&#34;https://reference.aspose.com/cells/nodejs-cpp/pivotitem/#setPositionInSameParentNode-number-&#34;&gt;&lt;strong&gt;PivotItem.setPositionInSameParentNode&lt;/strong&gt;&lt;/a&gt; e il metodo &lt;a href=&#34;https://reference.aspose.com/cells/nodejs-cpp/pivotitem/#move-number-boolean-&#34;&gt;&lt;strong&gt;PivotItem.move&lt;/strong&gt;&lt;/a&gt;.
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      </description>
    </item>
    
    <item>
      <title>Nodejscpp: Ottieni l oggetto Cell tramite DisplayName di PivotField di PivotTable</title>
      <link>https://docs.aspose.com/cells/it/nodejs-cpp/get-the-cell-object-by-displayname-of-pivotfield-of-pivottable/</link>
      <pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate>
      
      <guid>https://docs.aspose.com/cells/it/nodejs-cpp/get-the-cell-object-by-displayname-of-pivotfield-of-pivottable/</guid>
      <description>
        
        
        

&lt;div class=&#34;alert alert-primary&#34; role=&#34;alert&#34;&gt;

Aspose.Cells for Node.js via C++ fornisce il metodo &lt;a href=&#34;https://reference.aspose.com/cells/nodejs-cpp/pivottable/#getCellByDisplayName-string-&#34;&gt;&lt;strong&gt;PivotTable.getCellByDisplayName(string)&lt;/strong&gt;&lt;/a&gt; che puoi usare per accedere all&amp;rsquo;oggetto cella tramite nome visuale del campo pivot. Questo metodo è utile quando si vuole evidenziare o formattare l&amp;rsquo;intestazione del campo pivot. Questo articolo spiega come recuperare l&amp;rsquo;oggetto cella tramite il nome visuale del campo dati e applicare successivamente la formattazione.
&lt;/div&gt;

&lt;h2 id=&#34;come-ottenere-loggetto-cell-tramite-displayname-di-pivotfield-di-pivottable&#34;&gt;&lt;strong&gt;Come ottenere l&amp;rsquo;oggetto Cell tramite DisplayName di PivotField di PivotTable&lt;/strong&gt;&lt;/h2&gt;
&lt;p&gt;Il codice seguente accede alla prima tabella pivot del foglio di lavoro e ottiene la cella per nome visualizzato del secondo campo dati della tabella pivot. Cambia quindi il colore di riempimento e il colore del carattere della cella rispettivamente in azzurro chiaro e nero. Di seguito sono mostrati gli screenshot di come appare la tabella pivot prima e dopo l&amp;rsquo;esecuzione del codice.&lt;/p&gt;
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&lt;thead&gt;
&lt;tr&gt;
&lt;th style=&#34;text-align:left&#34;&gt;&lt;strong&gt;Tabella Pivot - Prima&lt;/strong&gt;&lt;/th&gt;
&lt;/tr&gt;
&lt;/thead&gt;
&lt;tbody&gt;
&lt;tr&gt;
&lt;td style=&#34;text-align:left&#34;&gt;&lt;img src=&#34;get-the-cell-object-by-displayname-of-pivotfield-of-pivottable_1.png&#34; alt=&#34;todo:image_alt_text&#34;&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;/tbody&gt;
&lt;/table&gt;
&lt;script type=&#34;application/javascript&#34; src=&#34;https://gist.github.com/aspose-cells-gists/c7b55cbeb75eaaae989115230a7619eb.js?file=PivotTables-GetCellByDisplayName-GetCellObjectByDisplayName.js&#34;&gt;&lt;/script&gt;

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&lt;thead&gt;
&lt;tr&gt;
&lt;th style=&#34;text-align:left&#34;&gt;&lt;strong&gt;Tabella Pivot - Dopo&lt;/strong&gt;&lt;/th&gt;
&lt;/tr&gt;
&lt;/thead&gt;
&lt;tbody&gt;
&lt;tr&gt;
&lt;td style=&#34;text-align:left&#34;&gt;&lt;img src=&#34;get-the-cell-object-by-displayname-of-pivotfield-of-pivottable_2.png&#34; alt=&#34;todo:image_alt_text&#34;&gt;&lt;/td&gt;
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      </description>
    </item>
    
    <item>
      <title>Nodejscpp: Raggruppa i campi pivot nella tabella pivot</title>
      <link>https://docs.aspose.com/cells/it/nodejs-cpp/group-pivot-fields-in-the-pivot-table/</link>
      <pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate>
      
      <guid>https://docs.aspose.com/cells/it/nodejs-cpp/group-pivot-fields-in-the-pivot-table/</guid>
      <description>
        
        
        &lt;h2 id=&#34;possibili-scenari-di-utilizzo&#34;&gt;&lt;strong&gt;Possibili Scenari di Utilizzo&lt;/strong&gt;&lt;/h2&gt;
&lt;p&gt;Microsoft Excel ti permette di raggruppare campi pivot della tabella pivot. Quando ci sono molti dati correlati a un campo pivot, è spesso utile raggrupparli in sezioni. Aspose.Cells for Node.js via C++ supporta anche questa funzione usando il metodo &lt;a href=&#34;https://reference.aspose.com/cells/nodejs-cpp/pivotfield/#groupBy-date-date-pivotgroupbytypearray-number-boolean-&#34;&gt;&lt;strong&gt;PivotTable.groupBy()&lt;/strong&gt;&lt;/a&gt;.&lt;/p&gt;
&lt;h2 id=&#34;come-raggruppare-i-campi-pivot-nella-tabella-pivot&#34;&gt;&lt;strong&gt;Come raggruppare i campi pivot nella tabella pivot&lt;/strong&gt;&lt;/h2&gt;
&lt;p&gt;Il codice di esempio seguente carica il &lt;a href=&#34;64716818.xlsx&#34;&gt;file Excel di esempio&lt;/a&gt; e esegue il raggruppamento sul primo campo pivot utilizzando il metodo &lt;a href=&#34;https://reference.aspose.com/cells/nodejs-cpp/pivotfield/#groupBy-date-date-pivotgroupbytypearray-number-boolean-&#34;&gt;&lt;strong&gt;PivotTable.groupBy()&lt;/strong&gt;&lt;/a&gt;. Aggiorna quindi e calcola i dati della tabella pivot e salva il foglio di calcolo come &lt;a href=&#34;64716817.xlsx&#34;&gt;file Excel di output&lt;/a&gt;. Lo screenshot mostra l&amp;rsquo;effetto del codice di esempio sul file Excel di esempio. Come si può vedere dallo screenshot, il primo campo pivot è ora raggruppato per mesi e trimestri.&lt;/p&gt;
&lt;p&gt;&lt;img src=&#34;group-pivot-fields-in-the-pivot-table_1.png&#34; alt=&#34;todo:image_alt_text&#34;&gt;&lt;/p&gt;
&lt;h2 id=&#34;codice-di-esempio&#34;&gt;&lt;strong&gt;Codice di Esempio&lt;/strong&gt;&lt;/h2&gt;
&lt;p&gt;&lt;script type=&#34;application/javascript&#34; src=&#34;https://gist.github.com/aspose-cells-gists/c7b55cbeb75eaaae989115230a7619eb.js?file=PivotTables-GroupPivotFieldsInPivotTable.js&#34;&gt;&lt;/script&gt;

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&lt;/p&gt;

      </description>
    </item>
    
    <item>
      <title>Nodejscpp: Nascondere e ordinare i dati della tabella pivot</title>
      <link>https://docs.aspose.com/cells/it/nodejs-cpp/pivot-table-hide-and-sort-data/</link>
      <pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate>
      
      <guid>https://docs.aspose.com/cells/it/nodejs-cpp/pivot-table-hide-and-sort-data/</guid>
      <description>
        
        
        &lt;h2 id=&#34;nascondi-e-ordina-i-datidelle-tabelle-pivot&#34;&gt;&lt;strong&gt;Nascondi e ordina i datidelle tabelle pivot&lt;/strong&gt;&lt;/h2&gt;
&lt;p&gt;Aspose.Cells for Node.js via C++ supporta nascondere e ordinare i dati nella tabella pivot. Il seguente frammento di codice illustra questa funzione ordinando la colonna Score in ordine decrescente e quindi nascondendo le righe con un punteggio inferiore a 60.&lt;/p&gt;
&lt;script type=&#34;application/javascript&#34; src=&#34;https://gist.github.com/aspose-cells-gists/c7b55cbeb75eaaae989115230a7619eb.js?file=PivotTables-PivotTableSortAndHide-1.js&#34;&gt;&lt;/script&gt;

&lt;p&gt;I file excel di origine e di output utilizzati nello snippet di codice sono allegati per riferimento.&lt;/p&gt;
&lt;p&gt;&lt;a href=&#34;96928093.xlsx&#34;&gt;File di origine&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=&#34;96928094.xlsx&#34;&gt;File di output&lt;/a&gt;
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&lt;/p&gt;

      </description>
    </item>
    
    <item>
      <title>Nodejscpp: Aggiungere Filtro nella Tabella Pivot</title>
      <link>https://docs.aspose.com/cells/it/nodejs-cpp/add-filter-in-pivot-table/</link>
      <pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate>
      
      <guid>https://docs.aspose.com/cells/it/nodejs-cpp/add-filter-in-pivot-table/</guid>
      <description>
        
        
        &lt;h2 id=&#34;possibili-scenari-di-utilizzo&#34;&gt;&lt;strong&gt;Possibili Scenari di Utilizzo&lt;/strong&gt;&lt;/h2&gt;
&lt;p&gt;Quando crei una tabella pivot con dati noti e vuoi filtrarla, devi imparare e usare il filtro. Può aiutarti a filtrare efficacemente i dati desiderati. Usando l&amp;rsquo;API Aspose.Cells for Node.js via C++, puoi aggiungere un filtro sui valori dei campi nelle tabelle pivot.&lt;/p&gt;
&lt;h2 id=&#34;aggiungi-filtro-in-tabella-pivot-usando-asposecells-for-nodejs-via-c&#34;&gt;&lt;strong&gt;Aggiungi filtro in tabella pivot usando Aspose.Cells for Node.js via C++&lt;/strong&gt;&lt;/h2&gt;
&lt;p&gt;Si prega di consultare il codice di esempio seguente. Imposta i dati e crea una tabella pivot basata su di essi. Quindi aggiungi un filtro sul campo di riga della tabella pivot. Infine, salvare il libro di lavoro nel formato &lt;a href=&#34;filterout.xlsx&#34;&gt;output XLSX&lt;/a&gt;. Dopo aver eseguito il codice di esempio, viene aggiunta una tabella pivot con filtro top10 al foglio di lavoro.&lt;/p&gt;
&lt;h2 id=&#34;codice-di-esempio&#34;&gt;&lt;strong&gt;Codice di Esempio&lt;/strong&gt;&lt;/h2&gt;
&lt;p&gt;&lt;script type=&#34;application/javascript&#34; src=&#34;https://gist.github.com/aspose-cells-gists/c7b55cbeb75eaaae989115230a7619eb.js?file=PivotTables-Add-filter-in-PivotTable.js&#34;&gt;&lt;/script&gt;

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      </description>
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    <item>
      <title>Nodejscpp: Elimina filtro nella tabella pivot</title>
      <link>https://docs.aspose.com/cells/it/nodejs-cpp/clear-filter-in-pivot-table/</link>
      <pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate>
      
      <guid>https://docs.aspose.com/cells/it/nodejs-cpp/clear-filter-in-pivot-table/</guid>
      <description>
        
        
        &lt;h2 id=&#34;possibili-scenari-di-utilizzo&#34;&gt;&lt;strong&gt;Possibili Scenari di Utilizzo&lt;/strong&gt;&lt;/h2&gt;
&lt;p&gt;Quando crei una tabella pivot con dati noti e vuoi filtrarla, devi imparare e usare il filtro. Può aiutarti a filtrare efficacemente i dati desiderati. Usando l&amp;rsquo;API Aspose.Cells for Node.js via C++, puoi operare il filtro sui valori dei campi nelle tabelle pivot.&lt;/p&gt;
&lt;h2 id=&#34;come-eliminare-il-filtro-nella-tabella-pivot-in-excel&#34;&gt;&lt;strong&gt;Come eliminare il filtro nella tabella pivot in Excel&lt;/strong&gt;&lt;/h2&gt;
&lt;p&gt;Elimina filtro nella tabella pivot in Excel, segui questi passaggi:&lt;/p&gt;
&lt;ol&gt;
&lt;li&gt;Seleziona la tabella pivot da cui desideri eliminare il filtro.&lt;/li&gt;
&lt;li&gt;Fai clic sulla freccia a discesa per il filtro che desideri eliminare nella tabella pivot.&lt;/li&gt;
&lt;li&gt;Seleziona &amp;ldquo;Elimina filtro&amp;rdquo; dal menu a discesa.
&lt;img src=&#34;1.png&#34; width=80% /&gt;&lt;/li&gt;
&lt;li&gt;Se desideri eliminare tutti i filtri dalla tabella pivot, puoi anche fare clic sul pulsante &amp;ldquo;Elimina filtri&amp;rdquo; nella scheda Analizza tabella pivot nel nastro di Excel.
&lt;img src=&#34;2.png&#34; width=80% /&gt;&lt;/li&gt;
&lt;/ol&gt;
&lt;h2 id=&#34;come-cancellare-il-filtro-in-una-tabella-pivot-usando-asposecells-for-nodejs-via-c&#34;&gt;&lt;strong&gt;Come cancellare il filtro in una tabella pivot usando Aspose.Cells for Node.js via C++&lt;/strong&gt;&lt;/h2&gt;
&lt;p&gt;Cancella il filtro in una tabella pivot usando Aspose.Cells for Node.js via C++. Consulta il seguente esempio di codice.&lt;/p&gt;
&lt;ol&gt;
&lt;li&gt;Impostare i dati e creare una tabella pivot basata su di essi.&lt;/li&gt;
&lt;li&gt;Aggiungere un filtro sul campo di riga della tabella pivot.&lt;/li&gt;
&lt;li&gt;Salvare il workbook nel formato &lt;a href=&#34;out_add.xlsx&#34;&gt;output XLSX&lt;/a&gt;. Dopo aver eseguito il codice di esempio, una tabella pivot con filtro top10 viene aggiunta al foglio di lavoro.&lt;/li&gt;
&lt;li&gt;Cancella il filtro su un campo pivot specifico. Dopo aver eseguito il codice per cancellare il filtro, il filtro sul campo pivot specifico verrà cancellato. Si prega di controllare il &lt;a href=&#34;out_delete.xlsx&#34;&gt;output XLSX&lt;/a&gt;.&lt;/li&gt;
&lt;/ol&gt;
&lt;h2 id=&#34;codice-di-esempio&#34;&gt;&lt;strong&gt;Codice di Esempio&lt;/strong&gt;&lt;/h2&gt;
&lt;p&gt;&lt;script type=&#34;application/javascript&#34; src=&#34;https://gist.github.com/aspose-cells-gists/c7b55cbeb75eaaae989115230a7619eb.js?file=PivotTables-Clear-filter-in-PivotTable.js&#34;&gt;&lt;/script&gt;

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    <item>
      <title>Nodejscpp: Ordinamento personalizzato nella Tabella Pivot</title>
      <link>https://docs.aspose.com/cells/it/nodejs-cpp/custom-sorting-in-pivot-table/</link>
      <pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate>
      
      <guid>https://docs.aspose.com/cells/it/nodejs-cpp/custom-sorting-in-pivot-table/</guid>
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        &lt;h2 id=&#34;come-impostare-un-ordinamento-personalizzato-nella-tabella-pivot-utilizzando-la-libreria-asposecells-for-nodejs-via-c&#34;&gt;&lt;strong&gt;Come impostare un ordinamento personalizzato nella tabella pivot utilizzando la libreria Aspose.Cells for Node.js via C++&lt;/strong&gt;&lt;/h2&gt;
&lt;p&gt;Utilizzando l&amp;rsquo;API Aspose.Cells for Node.js via C++, puoi ordinare le tabelle pivot sui valori dei campi. Il seguente frammento di codice carica il file excel di esempio e aggiunge tre tabelle pivot. La prima tabella pivot è senza ordinamento personalizzato, la seconda è ordinata sui valori del campo riga &amp;ldquo;SeaFood&amp;rdquo; e la terza sui valori del campo colonna &amp;ldquo;28/07/2000&amp;rdquo;.&lt;/p&gt;
&lt;p&gt;Il file di origine e i file di output di esempio possono essere scaricati da qui per testare il codice di esempio:&lt;/p&gt;
&lt;p&gt;&lt;a href=&#34;98107428.xlsx&#34;&gt;File Excel di Origine&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=&#34;98107429.xlsx&#34;&gt;File Excel di Output&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=&#34;98107430.pdf&#34;&gt;File PDF di Output&lt;/a&gt;&lt;/p&gt;
&lt;h2 id=&#34;codice-di-esempio&#34;&gt;&lt;strong&gt;Codice di Esempio&lt;/strong&gt;&lt;/h2&gt;
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