public EditVehicleModelViewModel(VehicleModel vm, ObservableCollection <VehicleModel> lVehicleModel)
 {
     vehicleModel        = vm;
     vehicleModelService = new VehicleModelService();
     vehicleModelService.SetVehicleModelList(lVehicleModel);
 }
 public AddVehicleModelViewModel(ObservableCollection <VehicleModel> vehicleModel)
 {
     vehicleModelService = new VehicleModelService();
     vehicleModelService.SetVehicleModelList(vehicleModel);
 }