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());
}
