/// <summary>
 /// Handles Click event for cmdDelete button
 /// </summary>
 /// <param name='sender'>
 /// Sender.
 /// </param>
 /// <param name='e'>
 /// Event args.
 /// </param>
 protected void cmdDelete_Click(object sender, EventArgs e)
 {
     try {
         // ALT: if (!Null.IsNull (itemId))
         if (itemId.HasValue) {
             var ctrl = new DocumRollerController ();
             ctrl.Delete<DocumRollerInfo> (itemId.Value);
             Response.Redirect (Globals.NavigateURL (), true);
         }
     } catch (Exception ex) {
         Exceptions.ProcessModuleLoadException (this, ex);
     }
 }