WorkbookDesigner にカスタムデータソースを設定
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Aspose.Cells では、WorkbookDesigner にカスタムデータソースを設定するオプションが提供されています。API は、第1パラメータにソースの名前、第2パラメータに ICellsDataTable を実装するクラスのインスタンスを取るオーバーロードされたメソッド WorkbookDesigner.SetDataSource を提供しています。
WorkbookDesigner.SetDataSource メソッドを使用してカスタムデータソースを設定するためのコードスニペットの実装
サンプルコード
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// For complete examples and data files, please go to https://github.com/aspose-cells/Aspose.Cells-for-.NET | |
//Source directory | |
string sourceDir = RunExamples.Get_SourceDirectory(); | |
string outputDir = RunExamples.Get_OutputDirectory(); | |
CustomerList customers = new CustomerList(); | |
customers.Add(new Customer("Thomas Hardy", "120 Hanover Sq., London")); | |
customers.Add(new Customer("Paolo Accorti", "Via Monte Bianco 34, Torino")); | |
Workbook workbook = new Workbook(sourceDir + "SmartMarker1.xlsx"); | |
WorkbookDesigner designer = new WorkbookDesigner(workbook); | |
designer.SetDataSource("Customer", new CustomerDataSource(customers)); | |
designer.Process(); | |
workbook.Save(outputDir + "dest.xlsx"); |
CustomerDataSource, Customer, CustomerList クラスの実装は以下のとおりです
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// For complete examples and data files, please go to https://github.com/aspose-cells/Aspose.Cells-for-.NET | |
public class CustomerDataSource : ICellsDataTable | |
{ | |
public CustomerDataSource(CustomerList customers) | |
{ | |
this.m_DataSource = customers; | |
this.m_Properties = customers[0].GetType().GetProperties(); | |
this.m_Columns = new string[this.m_Properties.Length]; | |
this.m_PropHash = new Hashtable(this.m_Properties.Length); | |
for (int i = 0; i < m_Properties.Length; i++) | |
{ | |
this.m_Columns[i] = m_Properties[i].Name; | |
this.m_PropHash.Add(m_Properties[i].Name, m_Properties[i]); | |
} | |
this.m_IEnumerator = this.m_DataSource.GetEnumerator(); | |
} | |
internal string[] m_Columns; | |
internal ICollection m_DataSource; | |
private Hashtable m_PropHash; | |
private IEnumerator m_IEnumerator; | |
private System.Reflection.PropertyInfo[] m_Properties; | |
public string[] Columns | |
{ | |
get | |
{ | |
return this.m_Columns; | |
} | |
} | |
public int Count | |
{ | |
get | |
{ | |
return this.m_DataSource.Count; | |
} | |
} | |
public void BeforeFirst() | |
{ | |
this.m_IEnumerator = this.m_DataSource.GetEnumerator(); | |
} | |
public object this[int index] | |
{ | |
get | |
{ | |
return this.m_Properties[index].GetValue(this.m_IEnumerator.Current, null); | |
} | |
} | |
public object this[string columnName] | |
{ | |
get | |
{ | |
return ((System.Reflection.PropertyInfo)this.m_PropHash[columnName]).GetValue(this.m_IEnumerator.Current, null); | |
} | |
} | |
public bool Next() | |
{ | |
if (this.m_IEnumerator == null) | |
return false; | |
return this.m_IEnumerator.MoveNext(); | |
} | |
} | |
public class Customer | |
{ | |
public Customer(string aFullName, string anAddress) | |
{ | |
FullName = aFullName; | |
Address = anAddress; | |
} | |
public string FullName { get; set; } | |
public string Address { get; set; } | |
} | |
public class CustomerList : ArrayList | |
{ | |
public new Customer this[int index] | |
{ | |
get { return (Customer)base[index]; } | |
set { base[index] = value; } | |
} | |
} |
ソースエクセルファイルと出力エクセルファイルが添付されています。