ASPxTreeList.NodeInserting Event
Enables you to cancel adding a new node.
Namespace: DevExpress.Web.ASPxTreeList
Assembly: DevExpress.Web.ASPxTreeList.v24.2.dll
NuGet Package: DevExpress.Web
#Declaration
public event ASPxDataInsertingEventHandler NodeInserting
#Event Data
The NodeInserting event's data class is ASPxDataInsertingEventArgs. 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 |
New |
Gets a dictionary that contains the new field name/value pairs for the row to be inserted. |
#Remarks
The NodeInserting event occurs when an end-user tries to save the newly created node by clicking the Update command. To cancel the insert operation, set the event parameter’s Cancel property to true
.
To create a new node, click the New command or call the ASPxTreeList.StartEditNewNode method.
After a new node has been added to the ASPxTreeList, the ASPxTreeList.NodeInserted event is raised.