While working with the RadPanelBar I get an error that said some like:

sys.webforms.pageRequestManager is null or not an object

I have try many method and none of them actually got rid of the JavaScript error. Finally, I came across one site that actually sove this error.

What you have to do is go to the Web.config file and look for the tag xhtmlConformance. Set the mode from Legacy to Transistional and see if this will help.

After making the changes I save the web.config file, re-compile the application and run it on the Internet Explorer, amazingly there is no more Javascript error.

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Comments (2)

• |212.110.131.xxx |2011-09-29 09:35:43 TalleR
  Thank You Very Very

• |14.140.44.xxx |2012-03-28 06:24:45 sunil shrikhande
  Thank You Very Much..... :D

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