How to: Display a Context Menu for Data Cells

• Jun 07, 2019

This example shows how to access and remove rows by using a custom cell’s context menu.

Note

A complete sample project is available at https://github.com/DevExpress-Examples/how-to-access-and-remove-rows-by-using-a-custom-cells-context-menu-e1558.

Window1.xaml

<dxg:TableView x:Name="view" AutoWidth="True">
    <dxg:TableView.RowCellMenuCustomizations>
        <dxb:BarButtonItem Name="deleteRowItem" Content="Delete" ItemClick="deleteRowItem_ItemClick" />
        <dxb:BarButtonItem Name="copyCellDataItem" Content="Copy Cell Data" ItemClick="copyCellDataItem_ItemClick" />
    </dxg:TableView.RowCellMenuCustomizations>
</dxg:TableView>

Window1.xaml.vb

Private Sub copyCellDataItem_ItemClick(ByVal sender As Object, ByVal e As ItemClickEventArgs)
    Dim menuInfo As GridCellMenuInfo = TryCast(view.GridMenu.MenuInfo, GridCellMenuInfo)
    If menuInfo IsNot Nothing AndAlso menuInfo.Row IsNot Nothing Then
        Dim text As String = "" & grid.GetCellValue(menuInfo.Row.RowHandle.Value, TryCast(menuInfo.Column, GridColumn)).ToString()
        Clipboard.SetText(text)
    End If
End Sub

Private Sub deleteRowItem_ItemClick(ByVal sender As Object, ByVal e As ItemClickEventArgs)
    Dim menuInfo As GridCellMenuInfo = TryCast(view.GridMenu.MenuInfo, GridCellMenuInfo)
    If menuInfo IsNot Nothing AndAlso menuInfo.Row IsNot Nothing Then
        view.DeleteRow(menuInfo.Row.RowHandle.Value)
    End If
End Sub

Window1.xaml.cs

private void copyCellDataItem_ItemClick(object sender, ItemClickEventArgs e) {
    GridCellMenuInfo menuInfo = view.GridMenu.MenuInfo as GridCellMenuInfo;
    if (menuInfo != null && menuInfo.Row != null) {
        string text = "" +
            grid.GetCellValue(menuInfo.Row.RowHandle.Value, menuInfo.Column as GridColumn).ToString();
        Clipboard.SetText(text);
    }
}

private void deleteRowItem_ItemClick(object sender, ItemClickEventArgs e) {
    GridCellMenuInfo menuInfo = view.GridMenu.MenuInfo as GridCellMenuInfo;
    if (menuInfo != null && menuInfo.Row != null)
        view.DeleteRow(menuInfo.Row.RowHandle.Value);
}