SetCount(Int32) メソッド

指定された数に行数を設定します。新しい数が現在の数より大きい場合は、コレクションの末尾に行が追加されます。新しい数が現在の数より少ない場合は、コレクションの末尾から行が削除されます。

シンタックス

Visual Basic

'宣言
 
Public Overloads Sub SetCount( _
   ByVal newCount As Integer _
) 

C#

public void SetCount( 
   int newCount
)

パラメータ

newCount

コレクションの新しい数。

解説

注: SetCount メソッドを呼び出したときに項目が追加または削除されても、追加イベント (RowAdding、RowAdded) または削除イベント (RowDeleting、RowDeleted) は発生しません。

使用例

Visual Basic

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


    Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Me.UltraGrid1.DataSource = Me.UltraDataSource1

        ' Add two columns to the root band.
        Me.UltraDataSource1.Band.Columns.Add("Col0", GetType(String))
        Me.UltraDataSource1.Band.Columns.Add("Col1", GetType(String))

        ' Add a child band to the root band with the key of "ChildBand".
        Dim childBand As UltraDataBand = Me.UltraDataSource1.Band.ChildBands.Add("ChildBand")

        ' Add two columns to the child band.
        childBand.Columns.Add("ChildCol0", GetType(String))
        childBand.Columns.Add("ChildCol1", GetType(String))

        ' Set the count on the root rows collection to 2.
        Me.UltraDataSource1.Rows.SetCount(2)

        Dim row As UltraDataRow

        ' Initialize rows with data.

        'Get the first row.
        row = Me.UltraDataSource1.Rows(0)
        row("Col0") = "Row 0, Col 0"
        row("Col1") = "Row 0, Col 1"

        ' Initialize the child rows of the row.
        Dim childRows As UltraDataRowsCollection = row.GetChildRows("ChildBand")
        childRows.SetCount(2)
        childRows(0)("ChildCol0") = "Child Row 0, ChildCol 0"
        childRows(0)("ChildCol1") = "Child Row 0, ChildCol 1"

        childRows(1)("ChildCol0") = "Child Row 1, ChildCol 0"
        childRows(1)("ChildCol1") = "Child Row 1, ChildCol 1"

        ' Get the second row.
        row = Me.UltraDataSource1.Rows(1)
        row("Col0") = "Row 1, Col 0"
        row("Col1") = "Row 1, Col 1"

        ' Initialize the child rows of the row.
        childRows = row.GetChildRows("ChildBand")
        childRows.SetCount(1)
    End Sub

C#

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


		private void Form1_Load(object sender, System.EventArgs e)
		{
			this.ultraGrid1.DataSource = this.ultraDataSource1;

			// Add two columns to the root band.
			this.ultraDataSource1.Band.Columns.Add( "Col0", typeof( string ) );
			this.ultraDataSource1.Band.Columns.Add( "Col1", typeof( string ) );

			// Add a child band to the root band with the key of "ChildBand".
			UltraDataBand childBand = this.ultraDataSource1.Band.ChildBands.Add( "ChildBand" );

			// Add two columns to the child band.
			childBand.Columns.Add( "ChildCol0", typeof( string ) );
			childBand.Columns.Add( "ChildCol1", typeof( string ) );

			// Set the count on the root rows collection to 2.
			this.ultraDataSource1.Rows.SetCount( 2 );

			UltraDataRow row;

			// Initialize rows with data.

			//Get the first row.
			row = this.ultraDataSource1.Rows[0];
			row[ "Col0" ] = "Row 0, Col 0";
			row[ "Col1" ] = "Row 0, Col 1";

			// Initialize the child rows of the row.
			UltraDataRowsCollection childRows = row.GetChildRows( "ChildBand" );
			childRows.SetCount( 2 );
			childRows[0][ "ChildCol0" ] = "Child Row 0, ChildCol 0";
			childRows[0][ "ChildCol1" ] = "Child Row 0, ChildCol 1";

			childRows[1][ "ChildCol0" ] = "Child Row 1, ChildCol 0";
			childRows[1][ "ChildCol1" ] = "Child Row 1, ChildCol 1";

			// Get the second row.
			row = this.ultraDataSource1.Rows[1];
			row[ "Col0" ] = "Row 1, Col 0";
			row[ "Col1" ] = "Row 1, Col 1";

			// Initialize the child rows of the row.
			childRows = row.GetChildRows( "ChildBand" );
            childRows.SetCount( 1 );
		}