'宣言 Public Overloads ReadOnly Property Item( _ ByVal index As Integer _ ) As UltraDataBand
public UltraDataBand Item( int index ) {get;}
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
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 ); }