Lấy nguồn tin từ website khác có cung cấp RSS

<?xml version="1.0" encoding="utf-8"?>
<rss version="2.0">
  <channel>
    <title></title>
    <description></description>
    <link></link>
    <copyright></copyright>
 
  <item>
   <title></title>
   <description></description>
   <link></link>
  </item>
  <item>
   <title></title>
   <description></description>
   <link></link>
  </item>
  ....
  </channel>
</rss>

private DataTable CreateDataTable()
{
    DataTable myDataTable = new DataTable();
    DataColumn myDataColumn;

    myDataColumn = new DataColumn();
    myDataColumn.DataType = Type.GetType("System.String");
    myDataColumn.ColumnName = "title";
    myDataTable.Columns.Add(myDataColumn);

    myDataColumn = new DataColumn();
    myDataColumn.DataType = Type.GetType("System.String");
    myDataColumn.ColumnName = "link";
    myDataTable.Columns.Add(myDataColumn);

    myDataColumn = new DataColumn();
    myDataColumn.DataType = Type.GetType("System.String");
    myDataColumn.ColumnName = "description";
    myDataTable.Columns.Add(myDataColumn);
    return myDataTable;
}

private void AddDataToTable(
 string Title, 
 string link, 
 string Descriptions, 
 DataTable myTable)
{
    DataRow row;
    row = myTable.NewRow();
    row["title"] = Title;
    row["link"] = link;
    row["description"] = Descriptions;
    myTable.Rows.Add(row);
}

public DataTable BindRSSItem(string rssURL)
{
    DataTable myDataTable = CreateDataTable();
    try
    {
        WebRequest myRequest = WebRequest.Create(rssURL);
        WebResponse myResponse = myRequest.GetResponse();

        Stream rssStream = myResponse.GetResponseStream();
        XmlDocument rssDoc = new XmlDocument();
        rssDoc.Load(rssStream);
        XmlNodeList rssItems = rssDoc.SelectNodes("rss/channel/item");
        string title = "";
        string link = "";
        string description = "";
        for (int i = 0; i < rssItems.Count; i++)
        {
            XmlNode rssDetail;
            rssDetail = rssItems.Item(i).SelectSingleNode("title");
            if (rssDetail != null)
            {
                title = rssDetail.InnerText;
            }
            else
            {
                title = "";
            }
            rssDetail = rssItems.Item(i).SelectSingleNode("link");
            if (rssDetail != null)
            {
                link = rssDetail.InnerText;
            }
            else
            {
                link = "";
            }

            rssDetail = rssItems.Item(i).SelectSingleNode("description");
            if (rssDetail != null)
            {
                description = rssDetail.InnerText;
            }
            else
            {
                description = "";
            }
            AddDataToTable(title, link, description, myDataTable);
        }
    }
    catch { }
    return myDataTable;
}

<asp:GridView ID="grvTheGioi" runat="server" 
 AutoGenerateColumns="False" 
 GridLines="None"
    ShowHeader="False" Width="100%">
    <Columns>
        <asp:HyperLinkField 
  DataNavigateUrlFields="link" 
  DataTextField="title" 
  SortExpression="title" 
  Target="_blank" />
    </Columns>
</asp:GridView>

grbName.DataSource= BindRSSItem(LienKet);
grbName.DataBind();

//Ví dụ: LienKet=http://vnexpress.net/rss/gl/kinh-doanh.rss