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博客园 - Gerald1983

[转载]AJAX 框架 用 Asp.net ajax 还是 Jquery ? [转]触发器 Excel导出报错 Delete File - Gerald1983 - 博客园 SQLServer Service Can't Start - Gerald1983 DataSource of GridView is Excel - Gerald1983 SQL - Using CASE in a JOIN SQL SERVER 与ACCESS、EXCEL的导入导出(转载) Asp.net页面的生命周期 Asp.net页面的生命周期 DataGrid /GridView分页(sqlserver/oracle)-----转载 sql语句中包括单引号和双引号的问题 Ajax实例转载 一个Ajax实例(成本项目) Oracle存储过程编写经验和优化措施(转) GridView的美化 - Gerald1983 数据绑定时的前台页面上的逻辑判断 (转) 如何去掉DataTable中的重复行(新增.net 2.0中最新解决方法---简便) (转) C#代码与javaScript函数的相互调用(转)
XmlDocument操作xml文档 (转)
Gerald1983 · 2008-06-26 · via 博客园 - Gerald1983

<?xml version="1.0" encoding="utf-8"?> 
<userdata createuser="false">
  <dataconnection>
    <server>xml test</server>
    <uid>sa</uid>
    <pwd>sa</pwd>
  </dataconnection>
  <net>
    <name>xml document</name>
  </net>
</userdata>

读取节点中的一个属性
   XmlDocument doc=new XmlDocument();
   doc.Load("config.xml");
   XmlNode xnuser=doc.SelectSingleNode("userdata");
   string flag=xnuser.Attributes["createuser"].InnerText;

读取节点中的值
   XmlDocument doc=new XmlDocument();
   doc.Load("config.xml");
   XmlNode xnserver = doc.SelectSingleNode("userdata/dataconnection/server");

修改节点的属性
   XmlDocument doc=new XmlDocument();
   doc.Load("config.xml");
   XmlNode xnuser=doc.SelectSingleNode("userdata");
   xnuser.Attributes["createuser"].InnerText="false";
   doc.Save("config.xml");

追加节点
   XmlDocument doc = new XmlDocument();
   XmlTextReader reader = new XmlTextReader("config.xml");
   doc.Load("config.xml");
   XmlElement root = doc.DocumentElement; // 获取根节点
   XmlElement tagMessage = doc.CreateElement("net");
   XmlElement tagText = doc.CreateElement("name");
   tagText.InnerText  = netname;
   tagMessage.AppendChild(tagText);   // 追加到 xml 文本的最后面
   root.AppendChild(tagMessage);
   reader.Close();     // 关闭 XmlTextReader
   doc.Save("config.xml");     // 保存 xml 文件