DialogEditFormBehavior.ValidateRowDeletion Event

Occurs after a user removes selected rows from the control. This event allows you to validate rows, check database constraints, and delete rows from the database.

Namespace: DevExpress.Xpf.Grid

Assembly: DevExpress.Xpf.Grid.v22.2.Extensions.dll

NuGet Package: DevExpress.Wpf.Grid.Core

Declaration

C#

public event EventHandler<EditFormValidateRowDeletionArgs> ValidateRowDeletion

VB.NET

Public Event ValidateRowDeletion As EventHandler(Of EditFormValidateRowDeletionArgs)

Event Data

The ValidateRowDeletion event's data class is EditFormValidateRowDeletionArgs. The following properties provide information specific to this event:

Property	Description
Keys	Gets KeyProperty values for deleted rows.
ValidateAsync	Gets or sets the task that validates the delete row operation.

Remarks

After a user removes selected rows from the control, the behavior raises the ValidateRowDeletion event and executes the ValidateRowDeletionCommand.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the ValidateRowDeletion event.

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.

XAML

wpf-data-grid-implement-crud-operations/CS/CodeBehind/EFCore/InstantFeedbackMode/MainWindow.xaml#L48

                        CreateEditItemViewModel="OnCreateEditEntityViewModel" ValidateRow="OnValidateRow"
                        ValidateRowDeletion="OnValidateRowDeletion">
<dxg:DialogEditFormBehavior.EditTemplate>