public async Task <ActionResult> DeleteAsync(int id)
{
var item = await userTask.GetTaskId(id);
if (item == null)
{
TempData["Error"] = "The item does not exist!";
}
else
{
await userTask.DeleteTask(item);
TempData["Success"] = "The item has been deleted!";
}
return(RedirectToAction("Index"));
}