public ActionResult AllocateClassroom(AllocateClassroom allocateClassroom)
        {
            _allocateClassRoomManager.IsRoomAllocated(allocateClassroom);

            if (_allocateClassRoomManager.Message == "")
            {
                bool result = _allocateClassRoomManager.Save(allocateClassroom);
                if (result)
                {
                    ViewBag.SuccessMessage = "Class Room Allocated Successfully";
                }
                else
                {
                    ViewBag.ErrorMessage = "Class Room Allocation Failed";
                }
            }
            else
            {
                ViewBag.ErrorMessage = _allocateClassRoomManager.Message;
            }



            ViewBag.Department = _departmentManager.GetAllDepartments();
            ViewBag.Classroom  = _classroomManager.GetAllRooms();
            ViewBag.Day        = _dayManager.GetAllDays();
            return(View());
        }