But... since you noticed it, no Sharepoint controls are working. No paging controls, no buttons, generally any control that would require a postback between the webbrowser and the server will cease to function properly.
At this point you may wonder : how come it worked or (even more funny) how come it works SOMETIMES ?
Well, following the rabit traces into it's hole, we can identify the following potential resons for the behavior:
As resolution for the possible causes above you should probably:
Change Vary by HTTP Header from Browser to User-Agent
Perform a clear cache on the object cache and you should be back in business.
Hi there !
Don't know if this thread's still alive, but I exactly encounter that problem, (Webform_DoPostBackWithOptions is undefined) BUT my sharepoint behaves pretty strangely :
So to know what was going on I turned on the I.E. dev. tools, that shown me the error.
Then I found your article, so I checked the connections with fiddler, and found that webresource.axd is accessed, but in that file, there is no method called Webform_DoPostBackWithOptions ().
And there's no firewall and no cache.
May that be due to an incorrect version of ASP.NET ?
Thanks for your help.
I have encountered this some while ago where no script was executed on page.
This was happening because of a custom solution that failed to properly execute and as result "broke" the page .
Looking at the source code, the page had no post action , the buttons were lacking the click actions etc.
Removed the solution and all came back.Identifying the solution was a matter of disabling them 1 by 1