public ActionResult Detail(string id) { if (id == null) { id = "CVNP"; } ParkSqlDAL ParkSql = new ParkSqlDAL(connectionString); var tempValue = Session["tempValue"]; if (tempValue == null) { tempValue = 0; } WeatherSqlDAL sqlweather = new WeatherSqlDAL(connectionString); ParkModel park = ParkSql.SelectedParkDecriptiveDetails(id); park.WeatherList = sqlweather.SpecificParkWeather(id); Session["tempValue"] = tempValue; park.TempValueProperty = (int)tempValue; ViewBag.WeatherData = park.WeatherList; return(View("Detail", park)); }