public IActionResult DatTourMienNam(DatTourValidation validation) { if (ModelState.IsValid) { this._dattourService.DatTourMienNam(validation); return(RedirectToAction("ChiTietBookingTourMienNam", "DatTour")); } var model = _tourService.ChiTietTourMienNam(validation.TourID); return(View(model)); }