title: opening a radwindow from a user control
body: <p>How to open a radwindow on the click event of a Imagebutton within a user control? 
  Moreover i have used the same code in aspx page and it works fine.</p>
  
  <p>car.ascx</p>
  
  <p></p>
  
  <p>
          
              
              
          
      </p>
  
  <p>code behind car.ascx.cs </p>
  
  <pre><code>protected void btnCarLogo_Click(object sender, ImageClickEventArgs e)
  {
    carurl="https://www.google.co.in/"
  
     ScriptManager.RegisterStartupScript(this, this.GetType(), "popCarWindow", "window.radopen('" + carurl + "', 'CarDetails');", true);
  }
  </code></pre>