public static bool Add_GiaSP(Gia_SP gia_SP) { try { using (CuaHang_XeMayEntities entities = new CuaHang_XeMayEntities()) { entities.Gia_SP.Add(gia_SP); entities.SaveChanges(); return(true); } } catch (Exception) { return(false); } }
public static bool Delete_GiaSP(int maGiaSP) { try { using (CuaHang_XeMayEntities entities = new CuaHang_XeMayEntities()) { Gia_SP giaSP = entities.Gia_SP.Where(p => p.ma_GiaSP == maGiaSP).FirstOrDefault(); entities.Gia_SP.Remove(giaSP); entities.SaveChanges(); return(true); } } catch (Exception) { return(false); } }
public static bool Update_GiaSP(Gia_SP gia_SP) { try { using (CuaHang_XeMayEntities entities = new CuaHang_XeMayEntities()) { Gia_SP giaSP = entities.Gia_SP.Where(p => p.ma_GiaSP == gia_SP.ma_GiaSP).FirstOrDefault(); giaSP.ngay_BDSP = gia_SP.ngay_BDSP; giaSP.gia_SP1 = gia_SP.gia_SP1; entities.SaveChanges(); return(true); } } catch (Exception) { return(false); } }