ASPxClientTreeListCustomDataCallbackEventArgs Class
In This Article
Provides data for the ASPxClientTreeList.CustomDataCallback event.
#Declaration
TypeScript
declare class ASPxClientTreeListCustomDataCallbackEventArgs extends ASPxClientEventArgs
#Example
This example shows how to display the number of selected nodes. The client-side ASPxClientTreeList.SelectionChanged event is handled to send a callback to the server to obtain the number of selected nodes. This information is set to the client (ASPxClientTreeList.CustomDataCallback event) and displayed below the ASPxTreeList.
The image below shows the result:
protected void ASPxTreeList1_CustomDataCallback(object sender,
DevExpress.Web.ASPxTreeList.TreeListCustomDataCallbackEventArgs e) {
e.Result = ASPxTreeList1.SelectionCount.ToString();
}
#Inheritance
ASPxClientEventArgs
ASPxClientTreeListCustomDataCallbackEventArgs
See Also