private void SaveButton_Click(object sender, RoutedEventArgs e)
 {
     DataRowView RowView = (DataRowView)Window.DataContext;
     DataBase.DishModel dish = new DataBase.DishModel();
     dish.UpdateRow(RowView.Row);
     this.Close();
 }
 private void AddButton_Click(object sender, RoutedEventArgs e)
 {
     DataRow Row = DishDataTable.NewRow();
     AddDishWindow AddDish = new AddDishWindow();
     AddDish.DataContext = Row;
     if (AddDish.ShowDialog().Value)
     {
         DishDataTable.Rows.Add(Row);
         DataBase.DishModel Dish = new DataBase.DishModel();
         Dish.AddDish(DishDataTable);
         DishDataTable.Clear();
         DishDataTable = Dish.SelectAll();
         DishList.ItemsSource = DishDataTable.DefaultView;
     }
 }
 private void Window_Loaded(object sender, RoutedEventArgs e)
 {
     DataBase.DishModel Dish = new DataBase.DishModel();
     DishDataTable = Dish.SelectAll();
     DishList.ItemsSource = DishDataTable.DefaultView;
 }
 private void Window_Loaded(object sender, RoutedEventArgs e)
 {
     Order_num = DateTime.Now.ToString("yyyyMMddHHmmss");
     OrderBlock.Text = Order_num;
     DataBase.DishModel dish = new DataBase.DishModel();
     DataTable dishlist = dish.SelectAll();
     DishList.ItemsSource = dishlist.DefaultView;
     InitOrderList();
     OrderListView.ItemsSource = Order_list.DefaultView;
 }