Events are not firing

[4anusha4]

My web form contains a popupextender when the popup is opened,after closing the popup the events outside the popoup like button click and dropdownselectedindex changed were not firing for the first time,second time the events are firing. Can anybody suggest me a sloution.....:confused:

[janani13]

hai, Please make sure that you have included the

     if(!IsPostBack)

       {}

in the page load..