ASPxTreeList.NodeDeleting Event
Enables you to prevent a node from being deleted.
Namespace: DevExpress.Web.ASPxTreeList
Assembly: DevExpress.Web.ASPxTreeList.v24.2.dll
NuGet Package: DevExpress.Web
#Declaration
public event ASPxDataDeletingEventHandler NodeDeleting
#Event Data
The NodeDeleting event's data class is ASPxDataDeletingEventArgs. The following properties provide information specific to this event:
Property | Description |
---|---|
Cancel |
Gets or sets a value indicating whether the event should be canceled.
Inherited from Cancel |
Keys | Gets a dictionary of field name/value pairs that represent the primary key of the row to delete. |
Values | Gets a dictionary of the non-key field name/value pairs for the row to delete. |
#Remarks
The NodeDeleting event occurs when an end-user has clicked the Delete command button, or the ASPxTreeList.DeleteNode method has been called. To cancel the delete operation, set the event parameter’s Cancel property to true
.
After a node has been deleted, the ASPxTreeList.NodeDeleted event is raised.
To learn more, see Adding and Deleting Nodes.