////Stopwatch Tab Logic////
private Stopwatch stopwatch = new Stopwatch();
private int lapCount = 0;
private void StopwatchTimer_Tick(object sender, EventArgs e)
{
    timeTableGV.Rows[lapCount].Cells["lapEndCol"].Value = stopwatch.
            Elapsed.ToString(@"hh\:mm\:ss");
    currentStopwatchLbl.Text = stopwatch.Elapsed.ToString(@"hh\:mm\:ss");
}
private void startStopwatchBtn_Click(object sender, EventArgs e)
{
    if (stopwatch.IsRunning != true && stopwatch.ElapsedTicks <= 0)     //new stopwatch started
    {
        startStopwatchBtn.Text = "&Lap";
        stopwatch.Start();
        stopwatchTimer.Start();
        timeTableGV.Visible = true;
        ShowNewLap();
    }
    else if (stopwatch.IsRunning != true)                             //if stopwatch was "stopped" and sstarted back
    {
        stopwatch.Start();
        stopwatchTimer.Start();
        startStopwatchBtn.Text = "&Lap";
    } else {                                                            //if user wanted to set a lap time
        lapCount += 1;
        ShowNewLap();
    }
}
private void stopStopwatchBtn_Click(object sender, EventArgs e)
{
    startStopwatchBtn.Text = "Res&ume";
    stopwatch.Stop();
    stopwatchTimer.Stop();
}
private void resetBtn_Click(object sender, EventArgs e)
{
    startStopwatchBtn.Text = "&Start";
    timeTableGV.Visible = false;
    stopwatch.Reset();
    stopwatchTimer.Stop();
    timeTableGV.Rows.Clear();
    lapCount = 0;
    currentStopwatchLbl.Text = "00:00:00.00";
}
private void ShowNewLap()
{
    int rowIndex = timeTableGV.Rows.Add(
                            lapCount + 1,
                            stopwatch.Elapsed.ToString(@"hh\:mm\:ss"),
                            stopwatch.Elapsed.ToString(@"hh\:mm\:ss")
                            );
    timeTableGV.ClearSelection();
    timeTableGV.Rows[rowIndex].Selected = true;
    timeTableGV.FirstDisplayedScrollingRowIndex = rowIndex;         //Scrolls to current lap time
}