AJAX :: Asp:updatepanel Control Not Working In Aspx Page

Aug 16, 2010

I want to use Updatepanel on one of the page in website. I have used updatepanel but it does not show any effect of UpdatePanel like Page autorefresh. I have used update panel for whole page, still it got refresh on button click event on the page. what kind of settings I have to do to work update panel on my web-site. Note that: I have added dll reference for AjaxControlToolkit. I don't want to upgrade my website to Ajax enabled website.

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Message: Sys.WebForms.PageRequestManagerParserErrorException: The message received from the server could not be parsed. Common causes for this error are when the response is modified by calls to Response.Write(), response filters, HttpModules, or server trace is enabled. Details: Error parsing near ' <!DOCTYPE html PUB'.

Line: 4674
Char: 21
Code: 0"

I have no idea what goes wrong here, it seems that IE can't parse the response?

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