PowerTools SPREAD for ASP.NET 8.0J
GetChildRelation メソッド (DefaultSheetDataModel)

子データリレーションのインデックス
指定した位置の子データリレーション名を取得します。
構文
'Declaration
 
Public Function GetChildRelation( _
   ByVal index As Integer _
) As String
public string GetChildRelation( 
   int index
)

パラメータ

index
子データリレーションのインデックス

戻り値の型

リレーションの名前を含むString
次のサンプルコードは、子モデルの最初のリレーションの値を返します。
DataSet ds = new System.Data.DataSet(); 
DataTable name; 
DataTable city; 
name = ds.Tables.Add("Customers"); 
name.Columns.AddRange(new DataColumn[] {new DataColumn("LastName", typeof(string)), new DataColumn("FirstName", typeof(string)),
new DataColumn("ID", typeof(Int32))}); 
name.Rows.Add(new object[] {"Fielding", "William", 0}); 
name.Rows.Add(new object[] {"Williams", "Arthur", 1}); 
name.Rows.Add(new object[] {"Zuchini", "Theodore", 2}); 
city = ds.Tables.Add("City/State"); 
city.Columns.AddRange(new DataColumn[] {new DataColumn("City", typeof(string)), new DataColumn("Owner", typeof(Int32)), new
DataColumn("State", typeof(string))}); 
city.Rows.Add(new object[] {"Atlanta", 0, "Georgia"}); 
city.Rows.Add(new object[] {"Boston", 1, "Mass."}); 
city.Rows.Add(new object[] {"Tampa", 2, "Fla."}); 
ds.Relations.Add("City/State", name.Columns("ID"), city.Columns("Owner")); 
FarPoint.Web.Spread.Model.DefaultSheetDataModel dataModel = new FarPoint.Web.Spread.Model.DefaultSheetDataModel(name.Rows.Count,
name.Columns.Count); 
dataModel.DataSource = ds; 
FpSpread1.ActiveSheetView.DataModel = dataModel; 
FpSpread1.ActiveSheetView.ExpandRow(0, true); 
string s; 
s = dataModel.GetChildRelation(0); 
Response.Write(s);
Dim ds = New System.Data.DataSet
Dim name As DataTable
Dim city As DataTable
name = ds.Tables.Add("Customers")
name.Columns.AddRange(New DataColumn() {New DataColumn("LastName", GetType(String)), New DataColumn("FirstName", GetType(String)),New
DataColumn("ID", GetType(Int32))})
name.Rows.Add(New Object() {"Fielding", "William", 0})
name.Rows.Add(New Object() {"Williams", "Arthur", 1})
name.Rows.Add(New Object() {"Zuchini", "Theodore", 2})
city = ds.Tables.Add("City/State")
city.Columns.AddRange(New DataColumn() {New DataColumn("City", GetType(String)), New DataColumn("Owner", GetType(Int32)),New
DataColumn("State", GetType(String))})
city.Rows.Add(New Object() {"Atlanta", 0, "Georgia"})
city.Rows.Add(New Object() {"Boston", 1, "Mass."})
city.Rows.Add(New Object() {"Tampa", 2, "Fla."})
ds.Relations.Add("City/State", name.Columns("ID"), city.Columns("Owner"))
Dim dataModel As New FarPoint.Web.Spread.Model.DefaultSheetDataModel(name.Rows.Count, name.Columns.Count)
dataModel.DataSource = ds
FpSpread1.ActiveSheetView.dataModel = dataModel
FpSpread1.ActiveSheetView.ExpandRow(0, True)
Dim s As String
s = dataModel.GetChildRelation(0)
Response.Write(s)
参照

DefaultSheetDataModel クラス
DefaultSheetDataModel メンバ

 

 


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