如何将 XML 文件解析为 ListBox

Question

I am trying to parse this xml file http://feeds.bbci.co.uk/news/world/rss.xml into a ListBox in visual C#, I tried a lot of different methods none of them worked, this is the one that kind of works:

XElement element = XElement.Load("http://feeds.bbci.co.uk/news/world/rss.xml");
foreach (XElement item in element.Elements("channel")) {
   listBox1.Items.Add(item.Value);
}

the only problem is, it loads the wrong object and if I set it to

XElement element = XElement.Load("http://feeds.bbci.co.uk/news/world/rss.xml");
foreach (XElement item in element.Elements("item")) {
   listBox1.Items.Add(item.Value);
}

it loads nothing, what should i do?

Answer 1

You are almost there. You can use either of the following solutions:

Using Linq to XML

Use XElement.Load * to load the element, then use .Descendants("item") or .Elements("channel").Elements("item") to get the specific item element:

var items = XElement.Load("http://feeds.bbci.co.uk/news/world/rss.xml")
    .Descendants("item") // OR Use: .Elements("channel").Elements("item")
    .Select(x => new
    {
        title = x.Element("title").Value,
        description = x.Element("description").Value,
        pubDate = x.Element("pubDate").Value,
        link = x.Element("link").Value,
        guid = x.Element("guid").Value,
    }).ToList();

listBox1.DataSource = items;
listBox1.DisplayMember = "title";
textBox1.DataBindings.Add("Text", items, "description");

Using Load a DataSet from XML

Use DataSet.ReadXml to load a data set, then you can use different tables, like the item table as data source of your ListBox and title as DisplayMember.:

var ds = new DataSet();
ds.ReadXml("http://feeds.bbci.co.uk/news/world/rss.xml");
var items = ds.Tables["item"];
listBox1.DataSource = items;
listBox1.DisplayMember = "title";
textBox1.DataBindings.Add("Text", items, "description");