DataView.ListChanged Event

Reference

Definition

Namespace:: System.Data

Assemblies:: netstandard.dll, System.Data.Common.dll

Assembly:: System.Data.Common.dll

Assembly:: System.Data.dll

Assembly:: netstandard.dll

Source:: DataView.cs

Source:: DataView.cs

Source:: DataView.cs

Important

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Occurs when the list managed by the DataView changes.

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

public event System.ComponentModel.ListChangedEventHandler? ListChanged;

public event System.ComponentModel.ListChangedEventHandler ListChanged;

[System.Data.DataSysDescription("DataViewListChangedDescr")]
public event System.ComponentModel.ListChangedEventHandler ListChanged;

member this.ListChanged : System.ComponentModel.ListChangedEventHandler

[<System.Data.DataSysDescription("DataViewListChangedDescr")>]
member this.ListChanged : System.ComponentModel.ListChangedEventHandler

Public Custom Event ListChanged As ListChangedEventHandler

Event Type

ListChangedEventHandler

Implements

ListChanged

Attributes: DataSysDescriptionAttribute

Examples

The following example adds a handler for the ListChanged event of a 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

Applies to

Product	Versions
.NET	Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework	1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard	2.0, 2.1

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