public List<vWeeklyScheduleByClass> ScheduleViewByClass(int classroomId)
 {
     _entitiesDb = new WeekClassScheduleEntities();
     return _entitiesDb.vWeeklyScheduleByClass.Where(ws => ws.ClassroomId == classroomId).ToList();
 }
 public ClassroomDatalayer()
 {
    _entitiesDb = new WeekClassScheduleEntities();
 }
 public ScheduleDatalayer()
 {
     this._entitiesDb = new WeekClassScheduleEntities();
 }
 public ProfessorDatalayer()
 {
    _entitiesDb = new WeekClassScheduleEntities();
 }