我在GridView列URL中插入了多个url。现在我想读取列URL中的所有URL。我不确定如何从列URL中逐个打开URL。我尝试加载{Binding URL},但这是不可能的。
有没有办法从GridView列URL读取文本?还是我必须尝试不同的方法?
以下是XAML:
<Grid RenderTransformOrigin="0.5,0.5">
<Grid.RenderTransform>
<TransformGroup>
<ScaleTransform/>
<SkewTransform/>
<RotateTransform/>
<TranslateTransform/>
</TransformGroup>
</Grid.RenderTransform>
<Label x:Name="label1" Content="URL :" HorizontalAlignment="Left" Margin="22,27,0,0" VerticalAlignment="Top"/>
<TextBox x:Name="textBox1" HorizontalAlignment="Left" Height="146" Margin="64,30,0,0" TextWrapping="Wrap" Text="Enter URLs Here" VerticalAlignment="Top" Width="555" AcceptsReturn="True"/>
<Button x:Name="button1" Content="Load" HorizontalAlignment="Left" Margin="652,19,0,0" VerticalAlignment="Top" Width="134" Height="40" Click="Button1_Click"/>
<Grid Margin="0,0,0,0.333">
<DataGrid x:Name="dataGrid1" HorizontalAlignment="Left" Height="225" VerticalAlignment="Top" Width="761" Margin="22,185,0,0" AutoGenerateColumns="True">
<DataGrid.Columns>
<DataGridHyperlinkColumn Header="URL" Width="150" Binding="{Binding URL}"/>
<DataGridHyperlinkColumn Header="Source" Width="150" Binding="{Binding Source}"/>
</DataGrid.Columns>
</DataGrid>
</Grid>
</Grid>
守则背后:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;
namespace AIT
{
/// <summary>
/// Interaction logic for Window2.xaml
/// </summary>
public partial class Window2 : Window
{
public Window2()
{
InitializeComponent();
}
private void Button1_Click(object sender, RoutedEventArgs e)
{
List<string> Urllines = textBox1.Text.Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries).ToList();
foreach (string strUrl in Urllines)
dataGrid1.Items.Add(new { URL = strUrl});
}
private void ReadUrls()
{
foreach (string item in dataGrid1.Items)
//item.URL???
}
}
}
你可以这样阅读DataGrid.Items
的商品:
foreach (var item in dataGrid1.Items)
{
string url = (string)((dynamic)item).URL;
//...
}
但是,最好采用强类型方法。在这种情况下,您需要将ItemsSource
的DataGrid
绑定到ObservableCollection<DataType>
,其中DataType
表示每行的数据结构。 (例如,它具有可绑定的URL属性,依此类推)
这是一个例子:
<DataGrid ItemsSource="{Binding ElementName=root, Path=Items}" ...>
其中root是x:窗口的名称。并将以下代码添加到后面的windows代码中:
private ObservableCollection<RowVm> _items = new ObservableCollection<RowVm>();
public ObservableCollection<RowVm> Items { get { return _items; } }
RowVm在哪里:
public class RowVm : DependencyObject
{
public string URL
{
get { return (string)GetValue(URLProperty); }
set { SetValue(URLProperty, value); }
}
public static readonly DependencyProperty URLProperty =
DependencyProperty.Register("URL", typeof(string), typeof(RowVm), new PropertyMetadata(""));
public string Source
{
get { return (string)GetValue(SourceProperty); }
set { SetValue(SourceProperty, value); }
}
public static readonly DependencyProperty SourceProperty =
DependencyProperty.Register("Source", typeof(string), typeof(RowVm), new PropertyMetadata(""));
}
因此,不是添加到dataGrid1.Items
而是添加到Items
并从Items
读取