// GET: TourDay public async Task <IActionResult> Index(int?Id) { var Tour = await _context.Tour .SingleOrDefaultAsync(t => t.TourId == Id); if (Tour == null) { return(NotFound()); } var model = new TourDayIndexViewModel(); model.Tour = Tour; model.TourDays = _tourDay.getForTour(Tour.TourId); return(View(model)); }