public ActionResult GetBag(int[] id_bag) { if (SessionManager.User != null) { List <int> BagNoteIds = bagManager.List( x => x.BagUser.Id == SessionManager.User.Id && id_bag.Contains(x.Note.Id)).Select( x => x.Note.Id).ToList(); return(Json(new { result = BagNoteIds })); } else { return(Json(new { result = new List <int>() })); } }