public bool Update(DormitoryRegistration obj) { try { _db.SubmitChanges(); } catch (Exception ex) { Debug.Print(ex.Message); return(false); } return(true); }
public int Add(DormitoryRegistration obj) { try { _db.DormitoryRegistrations.InsertOnSubmit(obj); _db.SubmitChanges(); } catch (Exception ex) { Debug.Print(ex.Message); return(-1); } return(_db.DormitoryRegistrations.Max(x => x.DormitoryRegistrationId)); }