private void FrmExam_Load(object sender, EventArgs e)
        {
            FrmCounter frmCounter = new FrmCounter("Your Exam Starts In...");

            frmCounter.ShowDialog(this);

            _dateTime = _examBLL.GetDateTime(); //  set exam taken date and time

            _timer = new System.Timers.Timer(50);
            _timer.SynchronizingObject = lblTimeLimit;
            _timer.SynchronizingObject = this;
            _timer.Elapsed            += new ElapsedEventHandler(OnTimedEvent);
            _timer.Enabled             = true;

            _examineeTakeInfo.ExamDateTimeTaken = _dateTime;// _examBLL.GetDateTime(); //  set exam taken date and time
            //timer1.Enabled = true;
            lblTimeLimit.Text = _timeSpan.ToString("g");
        }