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"); }