// public List<SelectListItem> ParkCodes => parkCodes.Select(code => new SelectListItem() { Text = code, Value = code });
/// <summary>
/// Display all the previous survey results.
/// </summary>
/// <returns>The page with the results bound to it.</returns>
public IActionResult Index()
{
var favoriteParks = dal.GetAllResults();
return(View(favoriteParks));
}