private void DeleteTrip(Trip trip)
 {
     DataServiceTrip dsTrip = new DataServiceTrip();
     dsTrip.DeleteTrip(trip);
     Messenger.Default.Send<List<Trip>, TimelineViewModel>(ArchiveTripList.ToList());
 }
 public void DeleteTrip()
 {
     DataServiceTrip dsTrip = new DataServiceTrip();
     dsTrip.DeleteTrip(Trip);
 }