protected override void OnNavigatingFrom(NavigatingCancelEventArgs e)
        {
            ProductPartTypeManagerViewModel productPartTypeManagerViewModel = this.DataContext as ProductPartTypeManagerViewModel;

            productPartTypeManagerViewModel.ConfirmLeave();
        }
        // 当用户导航到此页面时执行。
        protected override void OnNavigatedTo(NavigationEventArgs e)
        {
            ProductPartTypeManagerViewModel productPartTypeManagerViewModel = this.DataContext as ProductPartTypeManagerViewModel;

            productPartTypeManagerViewModel.LoadData();
        }