OnSelectedIndexChanged Event is not fire

The OnSelectedIndexChanged event is a server-side event whicn requires an AutoPostback set to true for it to trigger the event.

 

If you don't want to completely disable full postback when selecting an item from the DropDownList, then use JavaScript/jQuery with AJAX.  

hello dear,

 

try this :

 

__doPostBack('<%# Drp.ClientID %>', '')

 

By adding this code in jquery it now allow postback