public static bool XoaSP(string tensp) { if (!DAO_Sanpham.KTspTonTai(tensp)) { return(false); } else { return(DAO_Sanpham.Xoasp(tensp)); } }
public static bool Suasp(DTO_Sanpham sp) { if (!DAO_Sanpham.KTspTonTai(sp.Tensp)) { return(false); } else { return(DAO_Sanpham.Suasp(sp)); } }
public static DTO_Sanpham LayThongTinsp(string tensp) { if (!DAO_Sanpham.KTspTonTai(tensp)) { return(null); } else { return(DAO_Sanpham.laythongtinsanpham(tensp)); } }
public static List <DTO_Sanpham> timkiemSP(string tensp) { return(DAO_Sanpham.TimkiemSP(tensp)); }
public static List <DTO_Sanpham> LayDSsp(string malsp) { return(DAO_Sanpham.LayDSTSanpham(malsp)); }
public static List <DTO_Sanpham> LayDSsp() { return(DAO_Sanpham.LayDSTSanpham()); }