C# Avalonia 19- DataBinding- DataTemplateControls

DataTemplateControls.axaml代码

<Window xmlns="https://github.com/avaloniaui"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:d="http://schemas.microsoft.com/expression/blend/2008"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"Height="341" Width="288"xmlns:local="using:AvaloniaUI.Demos.Book._19.StoreDatabase"x:Class="AvaloniaUI.DataTemplateControls"Title="DataTemplateControls"><Grid RowDefinitions="auto,*"><ListBox Grid.Row="1"Margin="10"x:Name="lstCategories"HorizontalAlignment="Stretch"><ListBox.ItemTemplate><DataTemplate x:DataType="local:Product"><Grid Margin="3" ColumnDefinitions="*,auto"><TextBlock VerticalAlignment="Center"Text="{Binding CategoryName}" /><Button Grid.Column="1"Padding="2"Click="cmdView_Clicked"Tag="{Binding .}">View ...</Button></Grid></DataTemplate></ListBox.ItemTemplate></ListBox></Grid>
</Window>

DataTemplateControls.axaml.cs代码

using Avalonia;
using Avalonia.Controls;
using Avalonia.Interactivity;
using Avalonia.Markup.Xaml;
using AvaloniaUI.Demos.Book._19.StoreDatabase;
using Shares.Avalonia;
using System;namespace AvaloniaUI;public partial class DataTemplateControls : Window
{private StoreDb1 db = new StoreDb1();public DataTemplateControls(){InitializeComponent();lstCategories.ItemsSource = db.GetProducts();}private void cmdView_Clicked(object? sender, RoutedEventArgs e){if (sender is not Button btn)return;if (btn.Tag is not Product product)return;MessageBox.Show(this, $"You chose category #{product.CategoryId}: {product.CategoryName}");}
}

运行效果