public static DataSet XuatPhieuGiaoHang(string MaPG)
 {
     return(PhieuGiaoHangDAO.XuatPhieuGiaoHang(MaPG));
 }
 public static DataTable TongSLHangPGH(string MaDDH)
 {
     return(PhieuGiaoHangDAO.TongSLHangPGH(MaDDH));
 }
 public static bool ThemCTPG(ChiTietPhieuGiaoHangDTO CT)
 {
     return(PhieuGiaoHangDAO.ThemCTPG(CT));
 }
 public static bool UpdateSLTsaunhanhang(string MaSP, int SoLuongNhap)
 {
     return(PhieuGiaoHangDAO.UpdateSLTsaunhanhang(MaSP, SoLuongNhap));
 }
 public static bool ThemPG(PhieuGiaoHangDTO PG)
 {
     return(PhieuGiaoHangDAO.ThemPG(PG));
 }
 public static string GetIDPhieuGiao()
 {
     return(PhieuGiaoHangDAO.GetIDPhieuGiao());
 }
 public static bool XoaPG(string MaPG)
 {
     return(PhieuGiaoHangDAO.XoaPG(MaPG));
 }
 public static DataTable DanhSachCTPG(string MaPG)
 {
     return(PhieuGiaoHangDAO.DanhSachCTPG(MaPG));
 }
 public static DataTable DanhSachPG()
 {
     return(PhieuGiaoHangDAO.DanhSachPG());
 }