Geeks With Blogs
kazim mehdi January 2010 Entries
Sys.InvalidOperationException: Handler was not added through the Sys.UI.DomEvent.addHandler method (Solution)
I have a Model popup from ajax control toolkit in my page.that point to a asp:panel that will going to show a close button in the top left corner. When using with update panel and lots of ajax stuff ended up getting the following javascript error in IE only , it worked perfectly in firefox Sys.InvalidOperationException: Handler was not added through the Sys.UI.DomEvent.addHandler method i searched alot on the internet for the solution, solution was there that suggest just move the button outside ......

Posted On Wednesday, January 13, 2010 3:29 AM

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