Question

我正在尝试在表单上列出一个RSS源，我可以使用Feed，但无法在表单上看到数据。我什么都看不见。除了黑色形式。 RSS表填充了rss feed数据。数据可视化器显示加载到表中的rss数据。

xamal

<DataGrid x:Name="RssGridView" Grid.Column="1" HorizontalAlignment="Left" Grid.Row="1" VerticalAlignment="Top" Height="528" Width="651"
              ItemsSource="{Binding}" AutoGenerateColumns="False">
        <DataGrid.Columns>
            <DataGridTextColumn Header="Title" Binding="{Binding Title}" />
            <DataGridTextColumn Header="Decription" Binding="{Binding Decription}" />
            <DataGridTextColumn Header="Url" Binding="{Binding Url}" />
        </DataGrid.Columns>

代码： public partial class MainWindow：Window {

    private GetRssFeedData ConsumeFeed;
    private DataTable RssTable;
    RssDataset RssSet;
    public MainWindow()
    {
        InitializeComponent();
        //Intaltize Rss data table if exist load xml frm file
        RssSet = new RssDataset();
        RssTable = RssSet.Tables.Add("RssTable");           
        RssTable.Columns.Add("Title", typeof(string));
        RssTable.Columns.Add("Url", typeof(string));
        RssTable.Columns.Add("Decription", typeof(string));
        RssTable.Columns.Add("PubDate", typeof(string));            
        ConsumeFeed = new GetRssFeedData();
        ConsumeFeed.CallItemHandler += new RssItemHandler(ProcessessRssItem);
        ConsumeFeed.CallDownloadHandler += new RSSDownlaodCompleted(CompletedDownload);

     try
     {
            if (File.Exists("RssUrl.xml"))
            {

                RssSet.ReadXml("RssUrl.xml");

            }
            else
            {

              RssSet.WriteXml("RssUrl.xml");
            }
           SelectRssBox.ItemsSource = RssSet.RssFeeds;


        }
        catch (Exception EX)
        {
            MessageBox.Show(EX.Message);
        }

    }

    private void MenuItem_Click(object sender, RoutedEventArgs e)
    {
        Window1 GetRss = new Window1();
        GetRss.ShowDialog();
        RssSet.Clear();
        RssSet.ReadXml("RssUrl.xml");            

    }

    private void GetJobsButton_Click(object sender, RoutedEventArgs e)
    {
        if (SelectRssBox.SelectedValue != null)
        {                        
            ConsumeFeed.GetRssFeed(SelectRssBox.SelectedValue.ToString());                           

        }
    }
    private void ProcessessRssItem(SyndicationItem e)
    {
        DataRow newRow;
        newRow = RssTable.NewRow();
        newRow["Title"] = e.Title.Text;
        newRow["Url"] = e.Links[0].Uri;
        newRow["Decription"] = e.Summary.Text;
        newRow["PubDate"] = e.PublishDate.ToString();
        RssTable.Rows.Add(newRow);    
    }
    private void CompletedDownload()
    {
        RssGridView.DataContext = RssTable;
        //RssGridView.ItemsSource = RssTable.DefaultView;


    }
}

}

Answer 1

我解决了我的问题

列名是URL而不是Url

下次更改：（我将RSSJobFeed作为数据集的一部分。） RssGridView.ItemsSource = RssSet.RSSJobFeed.DefaultView;

c＃wpf datagrid没有显示

1 个答案: