c# 操作 xml

c# 操作 xml在System.XMl 有以个类可以操作xml(网上对这些类的记录真得很少啊 可能因为类比较多吧 msdn的介绍)创建一个新的xml XmlDocument xmldoc = new XmlDocument(); //在XML的文档的最头部加入XML的声明段落 XmlNode xmlnode = xmldoc.CreateNode(XmlNodeType.XmlDeclaration, "", ""); xmldoc.AppendChild(xmlnode); //创建根节点 XmlElement root = xmldoc.CreateElement("root"); root.InnerText = "我是根节点"; xmldoc.AppendChild(root); xmldoc.Save(@"D:\My Documents\Visual Studio 2010\Projects\WebApplication2\WebApplication2\test.xml");生成的xml是这样的xml version="1.0"?> root>我是根节点root>另外一种创建创建xml的方法 XmlDocument xmldoc = new XmlDocument(); xmldoc.LoadXml( "" + "我是根节点" ); xmldoc.Save(@"D:\My Documents\Visual Studio 2010\Projects\WebApplication2\WebApplication2\test.xml");读取xmlxml如下xml version="1.0" encoding="utf-8"?>root id="root"> list num="0"> name type="string">minglecunname> age type="number">55age> list> list num="1"> name type="string">huluwaname> age type="number">1age> list>root> XmlDocument xmldoc = new XmlDocument(); xmldoc.Load(@"D:\My Documents\Visual Studio 2010\Projects\WebApplication2\WebApplication2\test.xml"); //读某个节点 XmlNode xmlnode = xmldoc.SelectSingleNode("//root"); Console.WriteLine(xmlnode.InnerXml); Console.WriteLine("------------------------------------------------"); XmlNode xmlnode1 = xmldoc.SelectSingleNode("//root//list"); Console.WriteLine(xmlnode1.InnerXml); Console.WriteLine("------------------------------------------------"); // XmlNodeList xn0 = xmldoc.SelectSingleNode("//root").ChildNodes; foreach (XmlNode node in xn0) { Console.WriteLine("========"+node.Name); }