将多个自定义项插入列表视图
本文关键字:插入列 列表 视图 插入 自定义 | 更新日期: 2023-09-27 18:36:22
我有一个类命名书籍。代码在这里:
class Books
{
public int Id { get; set; }
public string Name { get; set; }
public string description { get; set; }
}
我的表单背后的代码如下所示:(感谢 Omribitan)
public partial class MainWindow : Window
{
private ObservableCollection<Books> Books { get; set; }
public MainWindow()
{
InitializeComponent();
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
var db = new DataClasses1DataContext();
var query = from p in db.books
select new Books
{
Id = p.id,
Name = p.name,
description = p.description
};
Books = new ObservableCollection<Books>(query);
listview1.ItemsSource = Books;
}
private void Button_Click(object sender, RoutedEventArgs e)
{
var book = listview1.SelectedItem as Books;
MessageBox.Show(book.Id.ToString());
}
XAML 如下所示:
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:test" xmlns:System="clr-namespace:System;assembly=mscorlib" x:Class="test.MainWindow"
Title="MainWindow" Height="350" Width="525" Loaded="Window_Loaded">
<Grid>
<ListView x:Name="listview1" HorizontalAlignment="Left" Height="100" Margin="126,91,0,0" VerticalAlignment="Top" Width="286">
<ListView.View>
<GridView>
<GridViewColumn Header="BookName"
Width="Auto"
DisplayMemberBinding="{Binding Name}" />
<GridViewColumn Header="Publisher"
Width="Auto"
DisplayMemberBinding="{Binding Description}" />
</GridView>
</ListView.View>
</ListView>
使用此代码,我想将数据绑定到列表视图。 问题是当我运行此代码时,列表视图的第二列是空的。谁能帮我?
首先像@HighCore建议的那样,创建一个适当的数据类型而不是匿名类型。
public class Book
{
public int Id { get; set; }
public string Name { get; set; }
public string Description { get; set; }
}
创建集合,如ObservableCollection
public ObservableCollection<Book> Books { get; set; }
将您的项目添加到集合中
var db=new mydataDataContext();
var query=from p in db.Book
select new Book{
Id = p.Id
Name = P.Name
Description = P.Description
};
Books = new ObservableCollection<Book>(query);
接下来,将ListView
ItemsSource
设置为集合
myListView.ItemsSource = Books;
您的ListView
应如下所示:
<ListView x:Name="myListView">
<ListView.View>
<GridView>
<GridViewColumn Header="BookName"
Width="Auto"
DisplayMemberBinding="{Binding Name}" />
<GridViewColumn Header="Publisher"
Width="Auto"
DisplayMemberBinding="{Binding Description}" />
</GridView>
</ListView.View>
</ListView>
现在,您可以像这样访问它,而不是在第一列中隐藏 Id
var book = myListView.SelectedItem as Book;
book.Id ....
希望这有帮助
感谢亲爱的 Omribitan 代码,问题出在 xaml 的发布者列(第二列)中。 当我将 DisplayMemberBinding="{Binding Description}" 更改为 DisplayMemberBinding="{Binding description}" 时,它工作正常。