public VehiclesDatabaseViews(VehicleDatabasePresenter vehiclePresenter)
        {
            _vehicleDatabasePresenter = vehiclePresenter;

            DataContext = _vehicleDatabasePresenter;

            InitializeComponent();
        }
        public VehicleBL()
        {
            //
            // instantiate the view model and initialize the data set
            //
            _vehicleDatabasePresenter = new VehicleDatabasePresenter(GetOwnerData(), GetVehicleData());


            //
            // instantiate, set the data context, and show the Main Window
            //

            _vehicleDatabaseView             = new VehiclesDatabaseViews(_vehicleDatabasePresenter);
            _vehicleDatabaseView.DataContext = _vehicleDatabasePresenter;
            _vehicleDatabaseView.Show();
        }