public ActionResult Trips_Destroy([DataSourceRequest]DataSourceRequest request, TripAdminViewModel trip)
        {
            if (this.ModelState.IsValid)
            {
                this.tripServices.AdminDelete(trip.Id);
            }

            return this.Json(new[] { trip }.ToDataSourceResult(request, this.ModelState));
        }
        public ActionResult Trips_Update([DataSourceRequest]DataSourceRequest request, TripAdminViewModel trip)
        {
            if (this.ModelState.IsValid)
            {
                this.tripServices.AdminEdit(
                    trip.Id,
                    trip.AvailableSeats,
                    trip.PlaceOfLeaving,
                    trip.PickUpFromAddress,
                    trip.Description);
            }

            return this.Json(new[] { trip }.ToDataSourceResult(request, this.ModelState));
        }