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Telerik require .net framework 4.5 with ie11?

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Bryian
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Bryian asked on 28 Feb 2014, 04:05 PM

When using the latest DLL, I see some strange error on ie 11. The error will go away if I switch to ie 11 compatibility mode. But the it start to work fine after I installed the .net framework 4.5 on the server. My question is, if anyone know the UI for ASP.NET AJAX required .NET Framework 4.5 to be installed on the server in order for the application to work correctly with ie11?

Unable to get property ‘PageRequestManager’ of undefined or null reference
webform_doPostBack is undefined JavaScript error 

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Slav
Telerik team
answered on 05 Mar 2014, 10:57 AM
Hello Bryian,

Versions 3.5 and 4.0 of .NET Framework are supported by UI for ASP.NET AJAX as well. Most probably you have encountered the ASP.NET browser detection issue that is described in the following sticky forum thread: http://www.telerik.com/forums/incorrectly-rendered-webpage-when-using-internet-explorer-11. The thread contains several approaches to resolve this issue, one of which is upgrading to .NET 4.5.

Regards,
Slav
Telerik

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