public HistoryViewModel() { Rates = new ObservableCollection <HistoryRateViewObject>(); mExchangeRateDb = new ExchangeRateDb(); initialize(); }
//constructors public MainViewModel() { mExchangeRateApi = new ExchangeRateApi(); mExchangeRateDb = new ExchangeRateDb(); Rates = new ObservableCollection <RateViewObject>(); }