public IActionResult Detail(string parkCode) { Park park = parkDAL.GetPark(parkCode); List <Weather> weather = new List <Weather>(); string TempKey = HttpContext.Session.GetString("SessionTemperatureKey"); if (TempKey == "Fahrenheit") { weather = weatherDAL.GetWeather(parkCode); } else { weather = weatherDAL.GetWeatherCelsius(parkCode); } Detail detailObject = new Detail(); detailObject.park = park; detailObject.weather = weather; return(View(detailObject)); }