private void GetDailyForecast(string cityCode = "sb") { ObservableCollection <DailyForecast> dailyForecastCollection = new ObservableCollection <DailyForecast>(); dailyForecastCollection = DailyForecast.GetForecast(cityCode); DailyForecastCollection = new ObservableCollection <DailyForecast>(dailyForecastCollection); RaisePropertyChanged(() => DailyForecastCollection); }