unrecognized tag prefix or device filter 'telerik'

Posted on 2011-04-25
Last Modified: 2012-05-11
I have this on aspx page already still seeing this error..

<%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
I had version 2007, now recently downloaded 2011 version.. maybe that is causing the error.?should I unistall the old version ?
Question by:1jaws
    LVL 13

    Accepted Solution


    Author Comment

    thanks for replying but I have seen this while googling but that is not my solution.  

    Author Closing Comment

    All I had to do , drag and drop the control to aspx page, that error is gone, before I was copying and pasting.. that was causing it for some reason. Thank you for your attemp to help!

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