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1 bookstore.xml
<?xml version="1.0" encoding="gb2312"?>
<bookstore>
<book genre="love" ISBN="1234123">
<title>who am i </title>
<author>who</author>
<price>999</price>
</book>
</bookstore>
2 bookstore.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml;
namespace toxml
{
public class ToXml
{
public static void Main(string[] args)
{
//ʵÀý»¯Ò»¸öXmlDocument¶ÔÏó
XmlDocument xmlDoc = new XmlDocument();
//ʵÀý¶ÔÏó¶ÁȡҪдÈëµÄXMLÎļþ
xmlDoc.Load("bookstore.xml");
//²éÕÒ<bookstore>
XmlNode root = xmlDoc.SelectSingleNode("bookstore");
//´´½¨Ò»¸ö<book>½Úµã
XmlElement xe1 = xmlDoc.CreateElement("book");
//ÉèÖøýڵãgenreÊôÐÔ
xe1.SetAttribute("leixing", "music");
//ÉèÖøýڵãISBNÊôÐÔ
xe1.SetAttribute("ISBN", "56756");
 
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using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
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