WPF - datagrid -显示一个文本框，用于在选定行时按用户设置值

<Grid>
    <DataGrid x:Name="dataGrid" SelectionChanged="DataGrid_SelectionChanged">
        <!-- 定义DataGrid的列和绑定数据 -->
    </DataGrid>
    <TextBox x:Name="textBox" Visibility="Collapsed" TextChanged="TextBox_TextChanged" />
</Grid>

public class Item
{
    public string Name { get; set; }
    // 其他属性
}

public partial class MainWindow : Window
{
    private ObservableCollection<Item> items;

    public MainWindow()
    {
        InitializeComponent();
        items = new ObservableCollection<Item>();
        // 添加数据到items集合
        dataGrid.ItemsSource = items;
    }

    private void DataGrid_SelectionChanged(object sender, SelectionChangedEventArgs e)
    {
        if (dataGrid.SelectedItem != null)
        {
            Item selectedItem = (Item)dataGrid.SelectedItem;
            textBox.Text = selectedItem.Name;
            textBox.Visibility = Visibility.Visible;
        }
        else
        {
            textBox.Visibility = Visibility.Collapsed;
        }
    }

    private void TextBox_TextChanged(object sender, TextChangedEventArgs e)
    {
        if (dataGrid.SelectedItem != null)
        {
            Item selectedItem = (Item)dataGrid.SelectedItem;
            selectedItem.Name = textBox.Text;
        }
    }
}