ParentCollection プロパティ (UltraDataRow)

親コレクションを返します。

シンタックス

Visual Basic

'宣言
 
Public ReadOnly Property ParentCollection As UltraDataRowsCollection

C#

public UltraDataRowsCollection ParentCollection {get;}

使用例

Visual Basic

Imports Infragistics.Shared
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinDataSource
Imports Infragistics.Win.UltraWinGrid


    Private Sub UltraDataSource1_InitializeDataRow(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinDataSource.InitializeDataRowEventArgs) Handles UltraDataSource1.InitializeDataRow
        ' InitializeDataRow event is used for initializing rows. It gets fired for 
        ' each row in the data source when the row is created for the first time.

        Dim row As UltraDataRow = e.Row

        ' You can use the tag off the row to store some piece of data that
        ' aids you in identifying the row later on (for example in other 
        ' event handlers like CellDataRequested).
        row.Tag = New Object()

        ' You can get the row collection that contains the row using 
        ' ParentCollection property.
        Dim parentCollection As UltraDataRowsCollection = e.Row.ParentCollection

        ' You can get the row's index in the parent collection using
        ' Index property.
        Dim rowIndex As Integer = row.Index

        ' You can get the parent row of a row using ParentRow property.
        ' If row is a top-most row, ParentRow will be null.
        Dim parentRow As UltraDataRow = row.ParentRow

        ' You can also see which band the row is associated with.
        Dim rowBand As UltraDataBand = row.Band

        ' You can also intialize the cell values here.
        Dim column As UltraDataColumn
        For Each column In rowBand.Columns
            If GetType(String) Is column.DataType Then
                row(column) = "Test Data"
            End If
        Next

        ' Print out the row index and the band key.
        System.Diagnostics.Debug.WriteLine("Band key = " & e.Row.Band.Key & "Row Index = " & e.Row.Index)
    End Sub

    Private Sub UltraDataSource1_InitializeRowsCollection(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinDataSource.InitializeRowsCollectionEventArgs) Handles UltraDataSource1.InitializeRowsCollection
        ' InitializeRowsCollection event is used for initializing row collections.
        ' It gets fired for each row collection in the data source when it's created 
        ' for the first time.

        Dim parentRow As UltraDataRow = e.Rows.ParentRow
        ' If the parent row is null then it's the root rows collection. Otherwise
        ' it's a child row collection of the parent row.
        If Not Nothing Is parentRow Then
            ' Here typically you set the count based on the parent row.
            e.Rows.SetCount(10)
        End If
    End Sub

C#

using Infragistics.Shared;
using Infragistics.Win;
using Infragistics.Win.UltraWinDataSource;
using Infragistics.Win.UltraWinGrid;
using System.Diagnostics;


		private void ultraDataSource1_InitializeDataRow(object sender, Infragistics.Win.UltraWinDataSource.InitializeDataRowEventArgs e)
		{
			// InitializeDataRow event is used for initializing rows. It gets fired for 
			// each row in the data source when the row is created for the first time.

			UltraDataRow row = e.Row;

			// You can use the tag off the row to store some piece of data that
			// aids you in identifying the row later on (for example in other 
			// event handlers like CellDataRequested).
			row.Tag = new object( );

			// You can get the row collection that contains the row using 
			// ParentCollection property.
			UltraDataRowsCollection parentCollection = e.Row.ParentCollection;

			// You can get the row's index in the parent collection using
			// Index property.
			int rowIndex = row.Index;

			// You can get the parent row of a row using ParentRow property.
			// If row is a top-most row, ParentRow will be null.
			UltraDataRow parentRow = row.ParentRow;

			// You can also see which band the row is associated with.
			UltraDataBand rowBand = row.Band;

			// You can also intialize the cell values here.
			foreach ( UltraDataColumn column in rowBand.Columns )
			{
				if ( typeof( string ) == column.DataType )
					row[ column ] = "Test Data";
			}

			// Print out the row index and the band key.
			System.Diagnostics.Debug.WriteLine( "Band key = " + e.Row.Band.Key + "Row Index = " + e.Row.Index );
		}

		private void ultraDataSource1_InitializeRowsCollection(object sender, Infragistics.Win.UltraWinDataSource.InitializeRowsCollectionEventArgs e)
		{
			// InitializeRowsCollection event is used for initializing row collections.
			// It gets fired for each row collection in the data source when it's created 
			// for the first time.

			UltraDataRow parentRow = e.Rows.ParentRow;
			// If the parent row is null then it's the root rows collection. Otherwise
			// it's a child row collection of the parent row.
			if ( null != parentRow )
			{
				// Here typically you set the count based on the parent row.
				e.Rows.SetCount( 10 );
			}
		}