private void EditBtnClick(object sender, RoutedEventArgs e)
        {
            if (nameOutputBox.SelectedItem == null)
            {
                MessageBox.Show("No client selected!");
            }
            else
            {
                string[] vs = nameOutputBox.SelectedItem.ToString().Split(null);

                Update update = new Update(dataConnect.GetCus_ID(vs[0], vs[1]));
                update.Show();
                ManageClients1 create = new ManageClients1();
                NavigationService.Navigate(create);
            }
        }
        private void DeleteBtnClick(object sender, RoutedEventArgs e)
        {
            //get name and split and store
            string selectedName = nameOutputBox.SelectedItem.ToString();

            string[] firstAndLast = selectedName.Split(null);


            //delete all vehicles relating to the customer from db
            dataConnect.deleteVehicleFromDb(firstAndLast[0], firstAndLast[1]);

            //delete customer from db
            dataConnect.deleteCusFromDb(firstAndLast[0], firstAndLast[1]);

            ManageClients1 create = new ManageClients1();

            NavigationService.Navigate(create);
        }