public void GetAllStations(bool showWhenLoaded)
{
_showAllWhenLoaded = showWhenLoaded;
string url = String.Format(BikeConsts.STATIONS_URL_PATTERN, BikeConsts.baseUri, City.Id);
_stationsRequest = (HttpWebRequest)HttpWebRequest.Create(new Uri(url, UriKind.Absolute));
_stationsRequest.Method = "GET";
_stationsRequest.BeginGetResponse(new AsyncCallback(EndGetAllStations), null);
}