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XAML ListBox 仅显示类名

发布于 2024-10-20 22:25:28 字数 780 浏览 3 评论 0 原文

如何让我的类属性显示在列表框中？

XAML：

<ListBox x:Name="lstPlayers" >
     <DataTemplate>
          <StackPanel Orientation="Horizontal">
              <TextBlock Text="{Binding Player.FirstName}"></TextBlock>
              <TextBlock Text="{Binding Player.LastName}"></TextBlock>
          </StackPanel>
     </DataTemplate>
</ListBox>

C#：

public class Player
{
    string FirstName { get; set; }
    string LastName { get; set; }
}


public void LoadPlayers()
{
    foreach (Player player in Players)
    {
         lstPlayers.Items.Add(player);
     }
}

列表框中唯一显示的是

TestApplication1.Player

原文

How do I get my class properties to show up in the ListBox?

XAML:

<ListBox x:Name="lstPlayers" >
     <DataTemplate>
          <StackPanel Orientation="Horizontal">
              <TextBlock Text="{Binding Player.FirstName}"></TextBlock>
              <TextBlock Text="{Binding Player.LastName}"></TextBlock>
          </StackPanel>
     </DataTemplate>
</ListBox>

C#:

public class Player
{
    string FirstName { get; set; }
    string LastName { get; set; }
}


public void LoadPlayers()
{
    foreach (Player player in Players)
    {
         lstPlayers.Items.Add(player);
     }
}

The only thing that shows up in the ListBox is

TestApplication1.Player

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梦情居士 2024-10-27 22:25:28

您当前的实施存在一些问题。首先，DataTemplate 应放置在 ListBox 的 ItemTemplate 内。其次，每个 ListBoxItem 的 DataContext 将是 Player 的一个实例，因此您应该直接绑定到 FirstName 和 LastName 。第三，Player 中的属性应公开，以便 DataBinding 正常工作。

<ListBox x:Name="lstPlayers" >
    <ListBox.ItemTemplate>
        <DataTemplate>
            <StackPanel Orientation="Horizontal">
                <TextBlock Text="{Binding FirstName}"></TextBlock>
                <TextBlock Text="{Binding LastName}"></TextBlock>
            </StackPanel>
        </DataTemplate>
    </ListBox.ItemTemplate>
</ListBox>

public class Player
{
    public string FirstName { get; set; }
    public string LastName { get; set; }
}

另外，不必将集合逐项添加到 ListBox 中，只需将其设置为 ItemsSource

lstPlayers.ItemsSource = Players;

You have some problems with you current implementation. First, the DataTemplate should be placed inside the ItemTemplate for the ListBox. Second, the DataContext for each ListBoxItem will be an instance of Player so you should bind directly to FirstName and LastName. Third, the properties in Player should be made public for the DataBinding to work.

<ListBox x:Name="lstPlayers" >
    <ListBox.ItemTemplate>
        <DataTemplate>
            <StackPanel Orientation="Horizontal">
                <TextBlock Text="{Binding FirstName}"></TextBlock>
                <TextBlock Text="{Binding LastName}"></TextBlock>
            </StackPanel>
        </DataTemplate>
    </ListBox.ItemTemplate>
</ListBox>

public class Player
{
    public string FirstName { get; set; }
    public string LastName { get; set; }
}

Also, instead of adding the collection item by item to the ListBox, just set it as ItemsSource

lstPlayers.ItemsSource = Players;

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弥繁 2024-10-27 22:25:28

DataTemplate 应位于 ListBox.ItemTemplate 内。

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鯉魚旗 2024-10-27 22:25:28

将集合、Players 设置为 ItemSource

并

<ListBox x:Name="lstPlayers" >
        <ListBox.ItemTemplate>
            <DataTemplate>
                <StackPanel Orientation="Horizontal">
                    <TextBlock Text="{Binding FirstName}"></TextBlock>
                    <TextBlock Text="{Binding LastName}"></TextBlock>
                </StackPanel>
            </DataTemplate>
        </ListBox.ItemTemplate>
    </ListBox>

set the collection, Players as ItemSource

and

<ListBox x:Name="lstPlayers" >
        <ListBox.ItemTemplate>
            <DataTemplate>
                <StackPanel Orientation="Horizontal">
                    <TextBlock Text="{Binding FirstName}"></TextBlock>
                    <TextBlock Text="{Binding LastName}"></TextBlock>
                </StackPanel>
            </DataTemplate>
        </ListBox.ItemTemplate>
    </ListBox>

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风透绣罗衣 2024-10-27 22:25:28

您必须将数据类型添加到您的数据模板中。

<DataTemplate DataType="{x:Type local:Player}">
        <StackPanel Orientation="Horizontal">
            <TextBlock Text="{Binding FirstName}"></TextBlock>
            <TextBlock Text="{Binding LastName}"></TextBlock>
        </StackPanel>
    </DataTemplate>

local 是 TestApplication1.Player 的命名空间。您可以将数据模板设置为 listebox.itemtemplate 或作为任何“父对象”的资源

you have to add the DataType to your DataTemplate.

<DataTemplate DataType="{x:Type local:Player}">
        <StackPanel Orientation="Horizontal">
            <TextBlock Text="{Binding FirstName}"></TextBlock>
            <TextBlock Text="{Binding LastName}"></TextBlock>
        </StackPanel>
    </DataTemplate>

local is the namespace for your TestApplication1.Player. you can set the datatemplate to the listebox.itemtemplate or as a resource of any "parent object"

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