public ListForObjects GetAllAssignmentsForTeacherById(int teacherId)
        {
            AssignmentCtrl asCtrl = new AssignmentCtrl();

            return(asCtrl.GetAllAssignmentsByTeacherId(teacherId));
        }
        public List <Assignment> GetAllAssignments()
        {
            AssignmentCtrl asCtrl = new AssignmentCtrl();

            return(asCtrl.GetAllAssignments());
        }
        public int CreateAssignment(int teacherId, string subject, string title, string exercise, DateTime date, DateTime deadline)
        {
            AssignmentCtrl assCtrl = new AssignmentCtrl();

            return(assCtrl.CreateAssignment(teacherId, subject, title, exercise, date, deadline));
        }