GetRadWindowManager return null in IE11

2 posts, 0 answers
  1. co-logic
    co-logic avatar
    12 posts
    Member since:
    Jun 2006

    Posted 06 Dec 2013 Link to this post

    function openRadWindow(url, title, width, height) {
        var oManager = GetRadWindowManager();
        oWnd =, null);
        oWnd.setSize(width, height);;

    The function GetRadWindowManager returns NULL in IE 11 (and probably 10). Both, Chrome and Firefox working fine. The Function is executed manually by clicking a button, so I'm sure the page is completely loaded.

    I'm working with Telerik 2013.2 SP1. Is this fixed in current releases?
  2. Marin Bratanov
    Marin Bratanov avatar
    3567 posts

    Posted 06 Dec 2013 Link to this post


    There are no known issues between IE11 and Q2 2013 SP1, yet official support for this browser was introduced in the Q3 2013 SP1 release (2013.3.1114) and I advise that you upgrade to that version.

    I tried a simple page with that logic with both version and things seemed to work fine for me. You can find attached the page and a short video as a reference.

    In the meantime you can go with the $find(wndMngrClientID) to get a proper reference. You can create a function next to the control that will return the needed reference and use that instead of GetRadWindowManager() to see if this helps.

    Also, it is possible that you are having issues with IE11 because of a problem with .NET4 that is explained here:

    Marin Bratanov
    If you want to get updates on new releases, tips and tricks and sneak peeks at our product labs directly from the developers working on the RadControls for ASP.NET AJAX, subscribe to the blog feed now.
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