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using System.Xml;//Í·²¿¼Ó´ËÃüÃû¿Õ¼ä
        XmlDocument xd = new XmlDocument();//±íʾXMLÎĵµ
        XmlDeclaration xde;//±íʾ XML ÉùÃ÷½Úµã£º<?xml version='1.0'...?>
        xde = xd.CreateXmlDeclaration("1.0", "GBK", null);//²ÎÊýµÄµÚ¶þÏîΪ±àÂ뷽ʽ
        //standalone¶¨ÒåÁËÊÇ·ñ¿ÉÒÔÔÚ²»¶ÁÈ¡ÈκÎÆäËüÎļþµÄÇé¿öÏ´¦Àí¸ÃÎĵµ,ĬÈÏΪno
        xd.AppendChild(xde);//<?xml version="1.0" encoding="UTF-8" standalone="yes"?>Éú³É½áÊø
        XmlElement xe = xd.CreateElement("Root");//´´½¨Ò»¸öRoot¸ùÔªËØ
        xd.AppendChild(xe);//Root¸ùÔªËØ´´½¨Íê³É
        XmlNode root = xd.SelectSingleNode("Root");//²éÕÒ<Root>
        XmlElement xe1 = xd.CreateElement("Tree");//ÔÚ<Root>֮ϴ´½¨ÔªËØ<Tree>
        xe1.SetAttribute("id","1");//Ö¸¶¨ÊôÐÔµÄÊôÐÔÖµ
        xe1.InnerText = "ÀàÐÍ1";//Ö¸¶¨ÊôÐÔÎı¾½Úµã
        root.AppendChild(xe1);//Íê³É×Ó½Úµã<Tree>
        xd.Save(Server.MapPath("xml.xml"));
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<?xml version=1.0 encoding=gb2312?>
<bookstore>
<book genre=fantasy ISBN=2-3631-4>
    <title>Oberon's Legacy</title>
    <author>Corets, Eva</author>
    <price>5.95</price>
</book>
</bookstore>
1¡¢Íù<bookstore>½ÚµãÖвåÈëÒ»¸ö<book>½Úµã£º
    XmlDocument xmlDoc=new XmlDocument();
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using System;
using System.Collections.Generic;
using System.Text;
using System.Xml;
namespace System.Bwch.XmlConfig
{
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{
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