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        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
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        XmlNode root = xd.SelectSingleNode("Root");//²éÕÒ<Root>
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        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>
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    XmlDocument xmlDoc=new XmlDocument();
    xmlDoc.Load(bookstore.xm


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