public static bool ThemCTPhieuThuePhong(ChiTietPhieuThueDTO ct, CustomerDTO kh)
 {
     return(RentalDAO.ThemCTPhieuThuePhong(ct, kh));
 }
 public static bool ThemCTPhieuThuePhong(ChiTietPhieuThueDTO ct, KhachHangDTO kh)
 {
     return(RentalDAO.ThemCTPhieuThuePhong(ct, kh));
 }