C# Avalonia 19- DataBinding- DataGridGrouping

DataGridGrouping.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="450"xmlns:local="using:AvaloniaUI"xmlns:db="using:AvaloniaUI.Demos.Book._19.StoreDatabase"x:Class="AvaloniaUI.DataGridGrouping"Title="DataGridGrouping"><Grid><DataGrid Margin="5" x:DataType="local:DataGridGrouping"AutoGenerateColumns="False"ItemsSource="{Binding ProductsView}"><DataGrid.Columns><DataGridTextColumn Header="Product" x:DataType="db:Product"Width="175"Binding="{Binding ModelName}" /><DataGridTextColumn Header="Price" x:DataType="db:Product"Binding="{Binding UnitCost, StringFormat='{}{0:C}'}" /><DataGridTextColumn Header="Model Number" x:DataType="db:Product"Binding="{Binding ModelNumber}" /></DataGrid.Columns></DataGrid></Grid>
</Window>

DataGridGrouping.axaml.cs代码

using Avalonia;
using Avalonia.Collections;
using Avalonia.Controls;
using Avalonia.Markup.Xaml;
using AvaloniaUI.Demos.Book._19.StoreDatabase;
using System.Collections.ObjectModel;namespace AvaloniaUI;public partial class DataGridGrouping : Window
{private StoreDb1 db = new StoreDb1();public ObservableCollection<Product> Products { get; }public DataGridCollectionView ProductsView { get; }public DataGridGrouping(){InitializeComponent();Products = db.GetProducts();ProductsView = new DataGridCollectionView(Products);// 按 CategoryName 分组ProductsView.GroupDescriptions.Add(new DataGridPathGroupDescription(nameof(Product.CategoryName)));DataContext = this;}
}

运行效果