Can ICallbackEventhandler be implemented and invoked with Asp.net button's click event

[K Safvi]

Hi, I have implemented the ICallbackEventhander interface and successfully updating the page asynchroniously on keydown on a textbox. I tried to implement the same with the click event of the asp.net button or imagebutton's click event but RaiseCallback is invoked and then the GetCallbackResult() is called but the last client side javascript function is not called that infact updates the page, hence the page not updates. Also once the page is partially updated on keydown of textbox, after that no server side event is triggers. What could be the issue. Any code or reference url for the solution of this problem will be much appreciated. Thanks, Safvi

[Sandeep Mewara]

Have a look at this article: ClientCallback custom control for web applications[^] Treeview's node click event is the trigger for callback. Similar approach for button click can be implemented.