private void viewSeminarScheduleToolStripMenuItem_Click(object sender, EventArgs e)
        {
            SeminarSchedule seminar = new SeminarSchedule();

            seminar.ShowDialog();
        }
        private void displaySeminarToolStripMenuItem_Click(object sender, EventArgs e)
        {
            SeminarSchedule sem = new SeminarSchedule();

            sem.ShowDialog();
        }