public bool XoaMonDaChon(ref string err, string MaHD) { ManagementCoffeeEntities qlbhEntity = new ManagementCoffeeEntities(); MonDaChon hd = new MonDaChon(); hd.MaHD = MaHD; qlbhEntity.MonDaChons.Attach(hd); qlbhEntity.MonDaChons.Remove(hd); qlbhEntity.SaveChanges(); return(true); }
public bool GhiBangMonDaChon(string MaHD, string LoaiHD, string MaMon, string MaNV, string MaKH, string TenNV, string TenKH, string TenMon, string Ngay, string GiaMon, string SoLuong, ref string err) { ManagementCoffeeEntities qlbhEntity = new ManagementCoffeeEntities(); MonDaChon mdc = new MonDaChon(); mdc.MaHD = MaHD; mdc.LoaiHD = LoaiHD; mdc.MaMon = MaMon; mdc.MaNV = MaNV; mdc.MaKh = MaKH; mdc.TenNV = TenNV; mdc.TenKH = TenKH; mdc.TenMon = TenMon; mdc.Ngay = Ngay; mdc.GiaMon = GiaMon; mdc.SoLuong = SoLuong; qlbhEntity.MonDaChons.Add(mdc); qlbhEntity.SaveChanges(); return(true); }