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	C# code: 
 /// <summary>
    /// ½«·¢ÌûÄÚÈݱ£´æµ½XMLÎļþÖеķ½·¨
    /// </summary>
    /// <param name="filename">XMLÎļþ·¾¶È«Ãû</param>
    /// <param name="title">XMLÎļþ·¾¶È«Ãû</param>
    /// <param name="content">XMLÎļþ·¾¶È«Ãû</param>
    /// <param name="user">XMLÎļþ·¾¶È«Ãû</param>
    public void AddXML(string filename,string title,string content,string user)
    {
        //³õʼ»¯XMLÎĵµ²Ù×÷Àà
        XmlDocument mydoc = new XmlDocument();
        //¼ÓÔØÖ¸¶¨µÄXMLÎļþ
        mydoc.Load(filename);
        //Ìí¼ÓÔªËØ-Ìû×ÓÖ÷Ìâ
        XmlElement ele = mydoc.CreateElement("title");
        XmlText text = mydoc.CreateTextNode(title);
        //Ìí¼ÓÔªËØ-·¢Ìûʱ¼ä
        XmlElement ele1 = mydoc.CreateElement("posttime");
        XmlText text1 = mydoc.CreateTextNode(DateTime.Now.ToString());
        //Ìí¼ÓÔªËØ-ÄÚÈÝ
        XmlElement ele2 = mydoc.CreateElement("content");
        XmlText text2 = mydoc.CreateTextNode(content);
        //Ìí¼ÓÔªËØ-·¢ÌûÈË
        XmlElement ele3 = mydoc.CreateElement("postuser");
        XmlText text3 = mydoc.CreateTextNode(user);
        //Ìí¼ÓÎļþµÄ½Úµã-msgrecord
        XmlNode newElem = mydoc.CreateNode("element", "xmlrecord", "&qu
    
 
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