public ActionResult Schedule(Department department)
{
List <ClassRoomAllocationAndClassSchedule> classSchedule = classRoomManager.GetClassSchedule(department.ID);
List <Department> departments = departmentManager.GetAllDepartment();
departments.Insert(0, new Department()
{
ID = 0,
Code = "--Select a department--"
});
ViewBag.ClassSchedule = classSchedule;
ViewBag.Departments = departments;
return(View());
}