private void btnYearly_Click(object sender, EventArgs e)
        {
            StichingYearlyReport yearlyStiching = new StichingYearlyReport();

            yearlyStiching.Show();
        }
 private void btnYearly_Click(object sender, EventArgs e)
 {
     StichingYearlyReport yearlyStiching = new StichingYearlyReport();
     yearlyStiching.Show();
 }