private void btnAddGrades_Click(object sender, EventArgs e)
        {
            idno     = int.Parse(dtgList.CurrentRow.Cells[0].Value.ToString());
            courseid = int.Parse(dtgList.CurrentRow.Cells[8].Value.ToString());
            MessageBox.Show(idno.ToString());

            Form frm = new frmPrintCurriculumn(courseid, idno);

            frm.ShowDialog();
        }
        private void btnViewCurriculum_Click(object sender, EventArgs e)
        {
            Form frm = new frmPrintCurriculumn(int.Parse(lblcoursId.Text), int.Parse(lblIdNo.Text));

            frm.ShowDialog();
        }