public ActionResult <IList <Department> > GetAllDepartments()
{
if (_classroomService == null)
{
return(NotFound());
}
return(_classroomService.GetAllDepartments().ToList());
}
public IEnumerable <Department> GetAllDepartments()
{
var departments = _repository.GetAllDepartments();
foreach (Department department in departments)
{
yield return(department);
}
}
