public IActionResult AddReservation(UploadableReservation reservation) { if (ModelState.IsValid) { Boolean isReservationAdded = Schedule.AddReservation(reservation); if (isReservationAdded) { return(RedirectToAction("Index", "Rooms", new { area = "" })); } } ViewBag.Week = reservation.Week; ViewBag.Day = reservation.Day; ViewBag.Year = reservation.Year; ViewBag.RoomName = reservation.Classroom; ViewBag.StartLessonHour = reservation.StartHour; ViewBag.IsReservationAdded = false; return(View(reservation)); }