C#读取Rss功能函数

/// <summary>
/// 获取Rss资源
/// </summary>
/// <param name="RssURL"></param>
/// <returns></returns>
public static DataTable ReadRss(string RssURL)
{
    DataTable Dt = new DataTable();
    DataColumn Title = new DataColumn("Title", typeof(string));
    DataColumn Author = new DataColumn("Author", typeof(string));
    DataColumn PubDate = new DataColumn("PubDate", typeof(string));
    DataColumn Link = new DataColumn("Link", typeof(string));
    Dt.Columns.Add(Title);
    Dt.Columns.Add(Author);
    Dt.Columns.Add(PubDate);
    Dt.Columns.Add(Link);

    System.Net.WebRequest myRequest = System.Net.WebRequest.Create(RssURL);
    System.Net.WebResponse myResponse = myRequest.GetResponse();

    System.IO.Stream rssStream = myResponse.GetResponseStream();
    System.Xml.XmlDocument rssDoc = new System.Xml.XmlDocument();
    rssDoc.Load(rssStream);

    System.Xml.XmlNodeList rssItems = rssDoc.SelectNodes("rss/channel/item");
    for (int i = 0; i < rssItems.Count; i++)
    {
        DataRow Row = Dt.NewRow();
        System.Xml.XmlNode rssDetail;
        //标题
        rssDetail = rssItems.Item(i).SelectSingleNode("title");
        if (rssDetail != null)
        {
            Row["Title"] = rssDetail.InnerText;
        }
        else
        {
            Row["Title"] = "";
        }
        //作者
        rssDetail = rssItems.Item(i).SelectSingleNode("author");
        if (rssDetail != null)
        {
            Row["Author"] = rssDetail.InnerText;
        }
        else
        {
            Row["Author"] = "";
        }
        //发布时间
        rssDetail = rssItems.Item(i).SelectSingleNode("pubDate");
        if (rssDetail != null)
        {
            Row["PubDate"] = Convert.ToDateTime(rssDetail.InnerText).ToString("yyyy年MM月dd日");
        }
        else
        {
            Row["PubDate"] = "";
        }
        //链接地址
        rssDetail = rssItems.Item(i).SelectSingleNode("link");
        if (rssDetail != null)
        {
            Row["Link"] = rssDetail.InnerText;
        }
        else
        {
            Row["Link"] = "";
        }
        Dt.Rows.Add(Row);
    }
    return Dt;
}