xml(XmlNodeReader 使用)(摘)

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protected void Button2_Click(object sender, EventArgs e)
    {
        string strFilePath = "";

        //Create XML DOM instance
        XmlDocument document = new XmlDocument();
        document.Load(strFilePath);

//Select all message elements with a status attribute
XmlNodeList objXList = document.SelectNodes("//message[@status]");

        //Iterate through each node
        foreach (XmlNode objNode in objXList)
        {
            //Read each node
            XmlNodeReader objNdRd = new XmlNodeReader(objNode);

//Read throgh all child nodes of this node

            while (objNdRd.Read())
            {
                //Get element nodes
                if (objNdRd.NodeType == XmlNodeType.Element)
                {
                    //Find<message>elements
                    if (objNdRd.Name == "message")
                    {
                        //Add eht message details to the list
                        System.Diagnostics.Debug.WriteLine(""+
                            objNdRd.GetAttribute("id") +
                            objNdRd.GetAttribute("target"));
                    }
                }
                else if (objNdRd.Name == "sender")
                {
                    //Else if<sender> element, then add these details
                    System.Diagnostics.Debug.WriteLine("" + objNdRd.ReadString());

                    //Delimit message
                }
            }
        }

        //<?Xml Version = "1.0"?>
        //<messages>
        //    <message ID = "223432" Target ="Loreto" status = "sent">
        //        <sender>Steven</sender>
        //        <body>....</body>
        //    </message>
        //    <message ID = "223445" Target ="Eileen" status = "sent">
        //        <sender>Loreto</sender>
        //        <body>....</body>
        //    </message>
        //    <message ID = "223445" Target ="Steven" status = "pending">
        //        <sender>Eileen</sender>
        //        <body>....</body>
        //    </message>
        //</messages>
    }