c#操作XML

using System.Xml;

 XmlDocument xdTree = new XmlDocument();
        xdTree.Load(Server.MapPath("~/TreeView.xml"));//读取XML文件
        XmlElement xmlNew=xdTree.CreateElement("siteMapNode");//创建节点
        xmlNew.SetAttribute("title",cate.Name);
        xmlNew.SetAttribute("url","BookList.aspx?typeid=1");//+cate.Id.ToString());
        xmlNew.SetAttribute("description","");        
        xdTree.SelectSingleNode("siteMapNode").AppendChild(xmlNew);//将节点值添加到节点
        xdTree.Save(Server.MapPath("~/TreeView.xml"));//保存XML文件

 

 

 <?xml version="1.0" encoding="utf-8" ?>
- <siteRoot Id="root" url="" title="管理员控制面板" description="">
- <siteMapNode url="" title="用户管理" description="">
  <siteMapNode url="~\Admin\ListAllUsers.aspx" title="管理用户" description="" />
  <siteMapNode url="~\Admin\UserStatue.aspx" title="状态管理" description="" />
  <siteMapNode url="~\Admin\ListAllUsers.aspx" title="用户列表" description="" />
  </siteMapNode>
- <siteMapNode url="" title="图书分类管理" description="">
  <siteMapNode url="~\Admin\AddBooksCatagory.aspx" title="添加图书分类" description="" />
  <siteMapNode url="~\Admin\ListBooksByCategory.aspx" title="为书籍分类" description="" />
  <siteMapNode url="~\Admin\ListOfBooks.aspx" title="书籍列表" description="" />
  </siteMapNode>
- <siteMapNode url="" title="定单管理" description="">
  <siteMapNode url="~\Admin\CheckOrders.aspx" title="审核定单" description="" />
  </siteMapNode>
  <siteMapNode url="~\Admin\LoginOut.aspx" title="退出" description="管理员退出" />
  </siteRoot>