public int CTHD_Insert(string SoHD, string MaHangHoa, int SoLuong) { return(cthd_DAL.CTHD_Insert(SoHD, SoLuong, MaHangHoa)); }
public DataTable CTHD_Insert(string maHD, string maHang, int SL) { return(cthdDAL.CTHD_Insert(maHD, maHang, SL)); }