private void offeredcourseBtnClk(object sender, EventArgs e)
        {
            ArrayList d = new ArrayList();

            d = OfferedCourseController.ShowAllOfferedCourseC();
            ViewAllOfferedCourse n = new ViewAllOfferedCourse();

            n.ShowDialog();
        }
        private void viewallcrsBtn_Click(object sender, EventArgs e)
        {
            ViewAllOfferedCourse x = new ViewAllOfferedCourse();

            x.ShowDialog();
        }