wpf-devexpress-dot-xpf-dot-grid-dot-gridviewbase-8b32f151.md
Gets or sets a command that allows you to validate rows, check database constraints, and delete rows from the database before a user deletes a row from the Data Grid.
Namespace : DevExpress.Xpf.Grid
Assembly : DevExpress.Xpf.Grid.v25.2.dll
NuGet Package : DevExpress.Wpf.Grid.Core
public ICommand<ValidateRowDeletionArgs> ValidateRowDeletionCommand { get; set; }
Public Property ValidateRowDeletionCommand As ICommand(Of ValidateRowDeletionArgs)
| Type | Description |
|---|---|
| ICommand<ValidateRowDeletionArgs> |
Allows you to validate rows, check database constraints, and delete rows from the database.
|
You can implement CRUD operations (create, read update, delete). These operations allow users to manage data in the Data Grid. Refer to the following topic for more information: Implement CRUD Operations in a Data-Bound Grid.
View Example: How to Implement CRUD Operations in a Data-Bound Grid
The following code snippets (auto-collected from DevExpress Examples) contain references to the ValidateRowDeletionCommand property.
Note
The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.
wpf-data-grid-implement-crud-operations/CS/ViewModel/EFCore/InfiniteAsyncSource/MainWindow.xaml#L30
<dxg:TableView NewItemRowPosition="Top" ShowUpdateRowButtons="OnCellEditorOpen"
ValidateRowCommand="{Binding ValidateRowCommand}" ValidateRowDeletionCommand="{Binding ValidateRowDeletionCommand}"
ShowFixedTotalSummary="True" DataSourceRefreshCommand="{Binding DataSourceRefreshCommand}" />
wpf-data-grid-extend-crud-operations/CS/DetailCollectionEditing/MainWindow.xaml#L22
<dxg:GridControl.View>
<dxg:TableView RowDoubleClickCommand="{Binding RowDoubleClickCommand, ElementName=EditFormBehavior}" NavigationStyle="Row" ValidateRowDeletionCommand="{Binding ValidateRowDeletionCommand}" DataSourceRefreshCommand="{Binding DataSourceRefreshCommand}" ShowFixedTotalSummary="True" />
</dxg:GridControl.View>
wpf-data-grid-bind-to-infiniteasyncsource/CS/InfiniteAsyncSourceMVVMSample/MainWindow.xaml#L57
ValidateRowCommand="{Binding UpdateIssueCommand}"
ValidateRowDeletionCommand="{Binding DeleteIssuesCommand}"
x:Name="view"/>
wpf-data-grid-extend-crud-operations/CS/Undo/UndoCRUDOperationsBehavior.cs#L126
var args = new ValidateRowDeletionArgs(new object[] { item }, new int[] { Source.IndexOf(item) });
AssociatedObject.ValidateRowDeletionCommand?.Execute(args);
if(!Validate(args.Result)) {
wpf-data-grid-extend-crud-operations/VB/Undo/UndoCRUDOperationsBehavior.vb#L156
Dim args = New ValidateRowDeletionArgs(New Object() {item}, New Integer() {Source.IndexOf(item)})
AssociatedObject.ValidateRowDeletionCommand?.Execute(args)
If Not Validate(args.Result) Then
See Also