Clear メソッド (UltraDataColumnsCollection)

すべての列をコレクションから削除します。

シンタックス

Visual Basic

'宣言
 
Public Sub Clear() 

C#

public void Clear()

使用例

Visual Basic

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


    Private Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles button1.Click
        ' Clear method removes all the bands from the child bands collection.
        Me.UltraDataSource1.Band.ChildBands.Clear()

        ' You can add child bands using Insert or add methods.
        Me.UltraDataSource1.Band.ChildBands.Insert(0, "ChildBand0")
        Me.UltraDataSource1.Band.ChildBands.Insert(1, "ChildBand1")

        ' You can get the child band using the child band key or an integer index.
        '
        Dim childBand0 As UltraDataBand = Me.UltraDataSource1.Band.ChildBands("ChildBand0")

        ' Add two columns to the child band 0.
        childBand0.Columns.Insert(0, "Col0", GetType(String))
        childBand0.Columns.Insert(1, "Col1", GetType(DateTime))

        ' This time get the child band using an integer index.			
        Dim childBand1 As UltraDataBand = Me.UltraDataSource1.Band.ChildBands(1)

        ' Add two columns to the child band.
        childBand1.Columns.Insert(0, "Col0", GetType(Integer))
        childBand1.Columns.Insert(1, "Col1", GetType(Double))
    End Sub

    Private Sub Button2_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button2.Click
        Dim childBand0 As UltraDataBand = Me.UltraDataSource1.Band.ChildBands(0)
        Dim childBand1 As UltraDataBand = Me.UltraDataSource1.Band.ChildBands(1)

        ' You can remove a column by either specifying a column key or an index.
        childBand0.Columns.Remove("Col0")
        childBand1.Columns.RemoveAt(0)

        ' The same goes for the child bands.
        Me.UltraDataSource1.Band.ChildBands.Remove("ChildBand0")
        Me.UltraDataSource1.Band.ChildBands.RemoveAt(0)
    End Sub

C#

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


		private void button1_Click(object sender, System.EventArgs e)
		{
			// Clear method removes all the bands from the child bands collection.
			this.ultraDataSource1.Band.ChildBands.Clear( );

			// You can add child bands using Insert or add methods.
			this.ultraDataSource1.Band.ChildBands.Insert( 0, "ChildBand0" );
			this.ultraDataSource1.Band.ChildBands.Insert( 1, "ChildBand1" );

			// You can get the child band using the child band key or an integer index.
			//
			UltraDataBand childBand0 = this.ultraDataSource1.Band.ChildBands[ "ChildBand0" ];

			// Add two columns to the child band 0.
			childBand0.Columns.Insert( 0, "Col0", typeof( string ) );
			childBand0.Columns.Insert( 1, "Col1",  typeof( DateTime ) );

			// This time get the child band using an integer index.			
			UltraDataBand childBand1 = this.ultraDataSource1.Band.ChildBands[ 1 ];

			// Add two columns to the child band.
			childBand1.Columns.Insert( 0, "Col0", typeof( int ) );
			childBand1.Columns.Insert( 1, "Col1", typeof( double ) );
		}

		private void button2_Click(object sender, System.EventArgs e)
		{
			UltraDataBand childBand0 = this.ultraDataSource1.Band.ChildBands[0];
			UltraDataBand childBand1 = this.ultraDataSource1.Band.ChildBands[1];

			// You can remove a column by either specifying a column key or an index.
			childBand0.Columns.Remove( "Col0" );
			childBand1.Columns.RemoveAt( 0 );

			// The same goes for the child bands.
			this.ultraDataSource1.Band.ChildBands.Remove( "ChildBand0" );
			this.ultraDataSource1.Band.ChildBands.RemoveAt( 0 );
		}