public ActionResult Add(TravelOrder t) { if (ModelState.IsValid) { repo.AddTravelOrder(t); return(RedirectToAction("All")); } else { ViewBag.types = repo.GetTravelOrderTypes(); ViewBag.drivers = repo.GetDrivers(); ViewBag.cities = repo.GetCities(); ViewBag.car = repo.GetCars(); return(View(t)); } }