public void SaledBook(int masach) { try { Sach book = db.Saches.Where(x => x.ma == masach).Single(); book.gioithieu = "da ban"; book.ngaydang = DateTime.Now.Date; book.tinhtrang = true; db.SaveChanges(); } catch (DbEntityValidationException dbEx) { foreach (var validationErrors in dbEx.EntityValidationErrors) { foreach (var validationError in validationErrors.ValidationErrors) { Trace.TraceInformation( "Class: {0}, Property: {1}, Error: {2}", validationErrors.Entry.Entity.GetType().FullName, validationError.PropertyName, validationError.ErrorMessage); } } } }
public int SuaBaiDang(BaiDang Db_New) { // BaiDang BaiDang_old = db.BaiDangs.Where(p => p.ma.Equals(Db_New.ma)).SingleOrDefault(); BaiDang bdold = db.BaiDangs.Where(w => w.ma == Db_New.ma).SingleOrDefault(); bdold = Db_New; db.SaveChanges(); return(5); // return Db_New.mataikhoan; }
public bool insertBaiDang(BaiDang bd) { Boolean temp = true; if (bd.ten == null) { temp = false; return(temp); } db.BaiDangs.Add(bd); try { db.SaveChanges(); db.SaveChangesAsync(); db.SaveChanges(); } catch (Exception ex) { temp = false; } return(temp); }
public Boolean Insert(TaiKhoan entity) { db.TaiKhoans.Add(entity); Boolean temp = true; try { db.SaveChanges(); } catch (Exception ex) { temp = false; } return(temp); }