private void studentToolStripMenuItem_Click(object sender, EventArgs e)
        {//Formdan forma geçiş.
            FormStudent frm = new FormStudent();

            frm.Show();
            //this.Hide();
        }
        private void tsmStudent_Click(object sender, EventArgs e)
        {
            FormStudent frm = new FormStudent();

            frm.Show();
        }