//读取RSS函数LoadRSS
//参数RssURl 为RSS路径
//参数RssCount为读取的RSS条数
public string LoadRSS(string RssUrl , int RssCount)
{
 XmlDocument doc = new XmlDocument();
 string Rss = "";
 if (RssUrl != "")
 {
     try
     {
  doc.Load(RssUrl);
  XmlNodeList nodelist = doc.GetElementsByTagName("item");
  XmlNodeList objItems1;
  int i = 0;
  if (doc.HasChildNodes)
  {
      foreach (XmlNode node in nodelist)
      {
   string title = "";
   string link = "";
   i += 1;
   if (node.HasChildNodes)
   {
       objItems1 = node.ChildNodes;
       foreach (XmlNode node1 in objItems1)
       {
    switch (node1.Name)
    {
        case "title":
     title = node1.InnerText;
     break;
        case "link":
     link = node1.InnerText;
     break;
    }
    if (title != "" && link != "")
        break;
       }
       Rss += "" + title + "
";

   }
   if (i > RssCount)
       break;
      }
  }       
     }
     catch (Exception)
     {       
  Rss = "RSS Feed 源数据出错！";
     }
 }
 else
 {
     Rss = "未找到信息源，您可刷新重试或联系管理员！";
 }
 return Rss;
}