I am using Rad Controls for ASP.NET Ajax version 2011.2.915 and Rad Controls for Silverlight version 2011.2.920. 
In our code we are using RadConfirm box which is not coming on IE9, but coming properly on IE7. Following is the code snippet.

<script language="javascript" type="text/javascript">
        function OnClientClickHandler(clickedButton) {
            /* Button is clicked for DELETE. Confirm before doing postback.*/
            function callbackFunction(arg) {
                if (arg) {
                    // Continue postback
                    __doPostBack(clickedButton.name, ""); // Actual postback
                }
            }
            radconfirm("Are you sure you want to archive?", callbackFunction, 300, 100, null, "Confirm Archive");
        }
    </script>

Can you please tell me why it is not working on IE9?

Also we are using Rad Editor. In IE9 some functionality like Search/ImageManager/HyperLinkManager buttons not working. Means if we click on those buttons on Rad Editor not window is coming up. But in IE7 it is working properly. Can you please help on this too.

Hello Tapas,

Is your page framed in another page? We are aware of a browser bug that causes modal popups to not display or misbehave inside an iframe because of a JavaScript error. The case and several workarounds are available in the following KB article: http://www.telerik.com/support/kb/aspnet-ajax/window/modal-radwindow-in-radwindow-in-ie9-and-ie10.aspx.

If this is not your case I would advise that you try the following:
- make sure that there aren't any prior JavaScript errors on the page
- try the latest version of the controls (2013.1.403 at present)
- try disabling browser plugins to see if one of them is interfering with the page


Kind regards,
Marin Bratanov
the Telerik team