public List <TeacherCourse> tnoGetList(string tno)
        {
            TeacherCourseDAL miDal = new TeacherCourseDAL();

            return(miDal.tnoGetList(tno));
        }
        public List <string> Weekday_Period_GetClnoList(string weekday, string period)
        {
            TeacherCourseDAL miDal = new TeacherCourseDAL();

            return(miDal.Weekday_Period_GetClnoList(weekday, period));
        }
        public List <TeacherCourse> GetList()
        {
            TeacherCourseDAL miDal = new TeacherCourseDAL();

            return(miDal.GetList());
        }