Rad Window with Login View inside Update Panel

[Chamira]

I have a loginview which I have an update panel wrapped around it to ajaxify it.
THe problem is the window doesnt open when a login error comes..  but it works when the update panel is removed... isnt AJAX working with Rad Window... i went through the forum and found certain topics but didnt help me directly..

protected void Login1_LoginError(object sender, EventArgs e)
    {
        RadWindow downloaddoc = new RadWindow();


        downloaddoc.NavigateUrl = "ForgotPasswordPopup.aspx";
        downloaddoc.Visible = true;
        downloaddoc.VisibleOnPageLoad = true;
        RadWindowManager1.Windows.Add(downloaddoc);
    }

Thanks in advance...