private List<TripRecord1> historyQueryService()
{
HttpWebRequest requestToServer = (HttpWebRequest)WebRequest.Create("http://localhost:8080/GetTripRecords?managerId=" + ResourceClass.managerId + "&&cardId=" + ResourceClass.cardId);
requestToServer.AllowWriteStreamBuffering = false;
requestToServer.KeepAlive = false;
WebResponse response = requestToServer.GetResponse();
StreamReader responseReader = new StreamReader(response.GetResponseStream(), Encoding.Unicode);
string replyFromServer = responseReader.ReadToEnd();
List<TripRecord1> tripRecords = JsonConvert.DeserializeObject<List<TripRecord1>>(replyFromServer);
return tripRecords;
}