C#XML操作详解

using System.Xml;

XmlDocument xmldoc=new XmlDocument();
//加入XML的声明段落：<?xmlversion="1.0" encoding="utf-8"?>
XmlDeclaration xmldecl=xmldoc.CreateXmlDeclaration("1.0", "utf-8", null);
xmldoc.AppendChild(xmldecl);
//保存创建好的XML文档
xmldoc.Save(@"D:\user.xml");

//创建根节点
XmlElement xmlroot = xmlDoc.CreateElement("user");
xmlDoc.AppendChild(xmlroot);