外部データ接続に関連するクエリテーブルとリストオブジェクトを見つける
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時々、外部データ接続に関連するクエリテーブルとリストオブジェクトを見つける必要があります。 クエリテーブルは、接続IDを持つ外部データ接続オブジェクトと関連しており、リストオブジェクトはクエリテーブルに関連しています。
外部データ接続に関連するクエリテーブルとリストオブジェクトを見つける
サンプルエクセルファイルを使用して、外部データ接続に関連するクエリテーブルとリストオブジェクトを見つける方法について説明する以下のサンプルコードを参照してください。
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// For complete examples and data files, please go to https://github.com/aspose-cells/Aspose.Cells-for-.NET | |
// The path to the documents directory. | |
string dataDir = RunExamples.GetDataDir(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType); | |
// Load workbook object | |
Workbook workbook = new Workbook(dataDir + "sample.xlsm"); | |
// Check all the connections inside the workbook | |
for (int i = 0; i < workbook.DataConnections.Count; i++) | |
{ | |
Aspose.Cells.ExternalConnections.ExternalConnection externalConnection = workbook.DataConnections[i]; | |
Console.WriteLine("connection: " + externalConnection.Name); | |
PrintTables(workbook, externalConnection); | |
Console.WriteLine(); | |
} | |
Console.WriteLine("Press any key to continue..."); | |
Console.ReadKey(); |
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// For complete examples and data files, please go to https://github.com/aspose-cells/Aspose.Cells-for-.NET | |
public static void PrintTables(Workbook workbook, Aspose.Cells.ExternalConnections.ExternalConnection ec) | |
{ | |
// Iterate all the worksheets | |
for (int j = 0; j < workbook.Worksheets.Count; j++) | |
{ | |
Worksheet worksheet = workbook.Worksheets[j]; | |
// Check all the query tables in a worksheet | |
for (int k = 0; k < worksheet.QueryTables.Count; k++) | |
{ | |
Aspose.Cells.QueryTable qt = worksheet.QueryTables[k]; | |
// Check if query table is related to this external connection | |
if (ec.Id == qt.ConnectionId | |
&& qt.ConnectionId >= 0) | |
{ | |
// Print the query table name and print its refersto range | |
Console.WriteLine("querytable " + qt.Name); | |
string n = qt.Name.Replace('+', '_').Replace('=', '_'); | |
Name name = workbook.Worksheets.Names["'" + worksheet.Name + "'!" + n]; | |
if (name != null) | |
{ | |
Range range = name.GetRange(); | |
if (range != null) | |
{ | |
Console.WriteLine("refersto: " + range.RefersTo); | |
} | |
} | |
} | |
} | |
// Iterate all the list objects in this worksheet | |
for (int k = 0; k < worksheet.ListObjects.Count; k++) | |
{ | |
ListObject table = worksheet.ListObjects[k]; | |
// Check the data source type if it is query table | |
if (table.DataSourceType == Aspose.Cells.Tables.TableDataSourceType.QueryTable) | |
{ | |
// Access the query table related to list object | |
QueryTable qt = table.QueryTable; | |
// Check if query table is related to this external connection | |
if (ec.Id == qt.ConnectionId | |
&& qt.ConnectionId >= 0) | |
{ | |
// Print the query table name and print its refersto range | |
Console.WriteLine("querytable " + qt.Name); | |
Console.WriteLine("Table " + table.DisplayName); | |
Console.WriteLine("refersto: " + worksheet.Name + "!" + CellsHelper.CellIndexToName(table.StartRow, table.StartColumn) + ":" + CellsHelper.CellIndexToName(table.EndRow, table.EndColumn)); | |
} | |
} | |
} | |
} | |
} |
上記のサンプルコードをこのサンプルエクセルファイルで実行した場合のコンソール出力は次のとおりです。
connection: AAPL Connection
querytable hp?s=AAPL+Historical+Prices
refersto: =Sheet1!$Q$1:$W$69
connection: BOSL066360W7_SQLEXPRESS Test
querytable BOSL066360W7_SQLEXPRESS Test
Table Table_BOSL066360W7_SQLEXPRESS_Test
refersto: Sheet1!A1:B3
connection: BOSL066360W7_SQLEXPRESS Test1
querytable BOSL066360W7_SQLEXPRESS Test_1
Table Table_BOSL066360W7_SQLEXPRESS_Test_1
refersto: Sheet1!D1:E2
connection: UWTI Connection
querytable hp?s=UWTI+Historical+Prices
refersto: =Sheet1!$H$1:$N$69