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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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ÒÑÖªÓÐÒ»¸öXMLÎļþ£¨bookstore.xml£©ÈçÏ£º
<?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();
xmlDoc.Load(bookstore.xm
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