我确信我错过了一些简单/明显的东西,但我似乎无法在 ListView 中绑定 ListView 的数据
<Window x:Class="TestList.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="350" Width="525">
<Window.Resources>
<DataTemplate x:Key="InsideListTemplate">
<StackPanel Orientation="Horizontal">
<TextBlock Text="test" Width="50"></TextBlock>
<TextBlock Text="{Binding OrderId}" Width="50"></TextBlock>
</StackPanel>
</DataTemplate>
<DataTemplate x:Key="OrdersTemplate">
<ListView HorizontalAlignment="Stretch"
HorizontalContentAlignment="Stretch"
MinWidth="100"
MinHeight="25"
ItemsSource="{Binding Orders}"
ItemTemplate="{StaticResource InsideListTemplate}"
>
</ListView>
</DataTemplate>
<DataTemplate x:Key="CustomersTemplate">
<StackPanel Orientation="Horizontal" HorizontalAlignment="Stretch">
<TextBlock Text="{Binding CustomerId}" Width="50" Foreground="Navy" VerticalAlignment="Center" />
<ListBox ItemsSource="{Binding Orders}" ItemTemplate="{StaticResource OrdersTemplate}" HorizontalContentAlignment="Stretch"></ListBox>
</StackPanel>
</DataTemplate>
</Window.Resources>
<DockPanel LastChildFill="True">
<ListView Name="listView" ItemTemplate="{StaticResource CustomersTemplate}" >
</ListView>
</DockPanel>
using System.Collections.Generic;
namespace TestList
{
public partial class MainWindow
{
public class Customer
{
public int CustomerId { get; set; }
public List<Order> Orders { get; set; }
}
public class Order
{
public int OrderId { get; set; }
}
public MainWindow()
{
InitializeComponent();
DataContext = this;
var customers = new List<Customer>
{
new Customer
{
CustomerId = 1,
Orders = new List<Order>
{
new Order {OrderId = 1},
new Order {OrderId = 2}
}
},
new Customer
{
CustomerId = 2,
Orders = new List<Order>
{
new Order {OrderId = 1},
new Order {OrderId = 2}
}
}
};
listView.ItemsSource = customers;
}
}
}
这是哈迪斯回答的解释:
您正在绑定一个ListBox
to the Orders
客户模板内的集合。然后在订单模板中定义一个ListView
再次约束订单。这意味着此时的绑定路径是 customer.orders.orders ,但它不存在。
如果你只是删除OrdersTemplate
并放置ListView
哪里的ListBox
位于客户模板中,然后就可以工作了。
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