private void backToolStripMenuItem_Click(object sender, EventArgs e)
        {
            frmSummary frm = new frmSummary(StudentID);

            frm.Show();
            this.Hide();
        }
        private void btnSummary_Click(object sender, EventArgs e)
        {
            frmSummary frm = new frmSummary(StudentId);

            frm.Show();
            this.Hide();
        }