public void RaiseCallbackEvent(string eventArgument)
 {
     if (Delete != null) {
         string result = String.Empty;
         DeleteEventArgs e = new DeleteEventArgs(eventArgument, result);
         Delete(this, e);
         _callbackResult = e.Result;
     } else
         _callbackResult = String.Empty;
 }
 public void RaisePostBackEvent(string eventArgument)
 {
     if (Delete != null) {
         string result = String.Empty;
         DeleteEventArgs e = new DeleteEventArgs(eventArgument, result);
         Delete(this, e);
     }
 }