public static Boolean ThemDanhSachChiTietPhieuThue(List <ChiTietPhieuThueDTO> dsctpt)
        {
            foreach (ChiTietPhieuThueDTO ctpt in dsctpt)
            {
                if (LapPhieuThueDAO.ThemChiTietPhieuThue(ctpt) == false)
                {
                    return(false);
                }
                ;

                if (PhongDAO.CapNhatTinhTrangPhongTheoMaPhong(ctpt.MaPhong) == false)
                {
                    return(false);
                }
            }

            return(true);
        }
 public static Boolean ThemPhieuThue(PhieuThueDTO pt)
 {
     return(LapPhieuThueDAO.ThemPhieuThue(pt));
 }
 public static NpgsqlDataAdapter LayDanhSachPhieuThue()
 {
     return(LapPhieuThueDAO.LayDanhSachPhieuThue());
 }
 public static NpgsqlDataAdapter TimKiemPhieuThueTheoNgayLap(PhieuThueDTO pt)
 {
     return(LapPhieuThueDAO.TimKiemPhieuThueTheoNgayLap(pt));
 }
 public static PhieuThueDTO LayPhieuThueMoiNhat()
 {
     return(LapPhieuThueDAO.LayPhieuThueMoiNhat());
 }