DataView.ListChanged Evento

Definición

Espacio de nombres:

System.Data

Ensamblado:

System.Data.Common.dll

Source:

DataView.cs

Se produce cuando la lista administrada por el DataView cambia.

public:
 virtual event System::ComponentModel::ListChangedEventHandler ^ ListChanged;

public event System.ComponentModel.ListChangedEventHandler? ListChanged;

member this.ListChanged : System.ComponentModel.ListChangedEventHandler 

Public Custom Event ListChanged As ListChangedEventHandler 

Tipo de evento

ListChangedEventHandler

Implementaciones

ListChanged

Ejemplos

En el ejemplo siguiente se agrega un controlador para el ListChanged evento de .DataView

public void CreateDataView(DataTable table)
{
    DataView view = new DataView(table, "",
        "ContactName", DataViewRowState.CurrentRows);

    view.ListChanged  += new
        System.ComponentModel.ListChangedEventHandler(
        OnListChanged);
}

private void OnListChanged(object sender,
    System.ComponentModel.ListChangedEventArgs args)
{
    Console.WriteLine("ListChanged:");
    Console.WriteLine("\table    Type = " + args.ListChangedType);
    Console.WriteLine("\tOldIndex = " + args.OldIndex);
    Console.WriteLine("\tNewIndex = " + args.NewIndex);
}

Public Sub CreateDataView(table As DataTable) 
    Dim view As New DataView(table, "", _
        "ContactName", DataViewRowState.CurrentRows)

    AddHandler view.ListChanged, _
        New System.ComponentModel.ListChangedEventHandler( _
        AddressOf OnListChanged)
End Sub

Private Sub OnListChanged(sender as Object, _
    args As System.ComponentModel.ListChangedEventArgs)

    Console.WriteLine("ListChanged:")
    Console.WriteLine(vbTab & "    Type = " & args.ListChangedType)
    Console.WriteLine(vbTab & "OldIndex = " & args.OldIndex)
    Console.WriteLine(vbTab & "NewIndex = " & args.NewIndex)
End Sub

Consulte también

• Objetos DataSet, DataTable y DataView (ADO.NET)