Button not triggered inside update pannel

"btnBlock"EventName="Click"/>

The tag above is given error

Hi,

Change UpdateMode as Conditional Then it will work.

UpdateMode Conditional and ChildrenAsTrigger True : Contents will be refreshed:

On every full Postback

On Partial Postback caused by controls inside the same UpdatePanel.

Reference :

http://www.c-sharpcorner.com/UploadFile/SukeshMarla/ajax-asynchronous-javascript-and-xml/

https://blogs.msdn.microsoft.com/mschray/2013/06/05/update-panel-update-mode-always-vs-conditional-or-why-is-my-ajax-control-losing-focus/

Hi,

Change your code like this ,add some new "EventName" and UpdateMode