private void btnMonthly_Click(object sender, EventArgs e)
        {
            StichingMonthlyReport monthlyStiching = new StichingMonthlyReport();

            monthlyStiching.Show();
        }
 private void btnMonthly_Click(object sender, EventArgs e)
 {
     StichingMonthlyReport monthlyStiching = new StichingMonthlyReport();
     monthlyStiching.Show();
 }