public ActionResult Index() { if (!SchoolContext.CanConnect()) { return(RedirectToAction("Index", "Error")); } OptionEnum selectedOption = OptionEnum.Rooms; if (TempData["selected"] != null) { selectedOption = (OptionEnum)TempData["selected"]; } OptionList optionList = new OptionList(); switch (selectedOption) { case OptionEnum.Rooms: optionList.entities = db.Rooms.Cast <Entity>().ToList(); break; case OptionEnum.ClassGroups: optionList.entities = db.ClassGroups.Cast <Entity>().ToList(); break; case OptionEnum.Subjects: optionList.entities = db.Subjects.Cast <Entity>().ToList(); break; case OptionEnum.Teachers: optionList.entities = db.Teachers.Cast <Entity>().ToList(); break; } optionList.selectedOption = selectedOption; ViewData["optionList"] = optionList; ViewBag.optionList = optionList; return(View()); }
// GET: Activities public async Task <ActionResult> Index() { if (!SchoolContext.CanConnect()) { return(RedirectToAction("Index", "Error")); } OptionEnum selectedOption = OptionEnum.Rooms; if (TempData["selectedOption"] != null) { selectedOption = (OptionEnum)TempData["selectedOption"]; } var optionList = new OptionList(); optionList.entities = new List <Entity>(); switch (selectedOption) { case OptionEnum.Rooms: optionList.entities = await db.Rooms.Cast <Entity>().ToListAsync(); break; case OptionEnum.ClassGroups: optionList.entities = await db.ClassGroups.Cast <Entity>().ToListAsync(); break; case OptionEnum.Subjects: optionList.entities = await db.Subjects.Cast <Entity>().ToListAsync(); break; case OptionEnum.Teachers: optionList.entities = await db.Teachers.Cast <Entity>().ToListAsync(); break; } int selectedEntityId = Convert.ToInt32(TempData["selectedEntityId"]); Entity selectedEntity = optionList.entities.Where(ent => ent.Id == selectedEntityId).SingleOrDefault(); if (selectedEntity == null) { if (selectedEntityId > 0 && TempData["ConcurrencyAlert"] == null) { TempData["ConcurrencyAlert"] = @"Entity you are trying to select was already deleted by another user"; } if (optionList.entities.Any()) { selectedEntity = optionList.entities[0]; } else { selectedEntity = new Entity(); } } optionList.selectedOption = selectedOption; optionList.selectedEntity = selectedEntity; var activityLabels = await GenerateLabels(selectedOption, selectedEntity.Id); ViewBag.activityLabels = activityLabels; ViewBag.optionList = optionList; return(View()); }