public ActionResult Index(AllocateClassroom _allocateClassroom)
 {
     ViewBag.Message     = _allocateClassRoomManager.Allocate(_allocateClassroom);
     ViewBag.StartTime   = _startTimeManager.GetAllTimes();
     ViewBag.EndTime     = _endTimeManager.GetAllTimes();
     ViewBag.Rooms       = _roomManager.GetAllRooms();
     ViewBag.Days        = _daysManager.GetAllDays();
     ViewBag.Departments = _departmentManager.GetAllDepartment();
     return(View());
 }