C# Avalonia 19- DataBinding- BindProductObject

（之后不再重复申明）19章中，所有例子都基于https://www.cnblogs.com/dalgleish/p/19331015

BindProductObject.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="300" Width="300"x:Class="AvaloniaUI.BindProductObject"xmlns:local ="using:AvaloniaUI.Demos.Book._19.StoreDatabase"Title="BindProductObject"><Grid RowDefinitions="auto,*"><!-- 顶部输入区 --><Grid ColumnDefinitions="auto,*,auto"><TextBlock Margin="7" Text="Product ID:"/><TextBox x:Name="txtID" Margin="5" Grid.Column="1" Text="356"/><Button Grid.Column="2" Margin="5" Padding="2"Click="cmdGetProduct_Click"Content="Get Product"/></Grid><!-- 产品详情 --><Border Grid.Row="1" Padding="7" Margin="7" Background="LightSteelBlue"><Grid x:Name="gridProductDetails"ColumnDefinitions="auto,*"RowDefinitions="auto,auto,auto,auto,*" x:DataType="local:Product"><TextBlock Margin="7" Text="Model Number:"/><TextBox Margin="5" Grid.Column="1"Text="{Binding ModelNumber}"/><TextBlock Margin="7" Grid.Row="1" Text="Model Name:"/><TextBox Margin="5" Grid.Row="1" Grid.Column="1"Text="{Binding ModelName}"/><TextBlock Margin="7" Grid.Row="2" Text="Unit Cost:"/><TextBox Margin="5" Grid.Row="2" Grid.Column="1"Text="{Binding UnitCost}"/><TextBlock Margin="7,7,7,0" Grid.Row="3" Text="Description:"/><ScrollViewer Grid.Row="4" Grid.Column="0" Grid.ColumnSpan="2"><TextBox Margin="7"TextWrapping="Wrap"AcceptsReturn="True"Text="{Binding Description}"/></ScrollViewer></Grid></Border></Grid>
</Window>

BindProductObject.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;
using System.Data;namespace AvaloniaUI;public partial class BindProductObject : Window
{StoreDb1 db1 = new StoreDb1();public BindProductObject(){InitializeComponent();}private void cmdGetProduct_Click(object? sender, RoutedEventArgs e){int ID;if (Int32.TryParse(txtID.Text, out ID)){try{gridProductDetails.DataContext = db1.GetProduct(ID);}catch{Console.WriteLine("Error contacting database.");}}else{Console.WriteLine("Invalid ID.");}}
}

运行效果