<?xml version="1.0" encoding="utf-8" ?><!-- xml文件中只能有一个根节点 --><books>  <book id="001">    <bookName>预约死亡</bookName>    <price>50</price>    <author>毕淑敏</author>  </book>  <book id="002">    <bookName>解忧</bookName>    <price>60</price>    <author>东野圭吾</author>  </book>      <book id="003">      <bookName>看见</bookName>      <price>70</price>      <author>柴静</author>  </book></books>

 1 XmlDocument doc = new XmlDocument(); 2             //和硬盘上一个文件绑定 3             doc.Load("books.xml"); 4             //将整篇文档中的根节点提出来 5             XmlNode root = doc.DocumentElement; 6             //根据root,找所有子节点的集合  root.ChildNodes 7             foreach (XmlNode item in root.ChildNodes) 8             { 9                 //一个item就是Xml中一个book10                 //图书编号11                 string bookid = item.Attributes["id"].Value;12                 Console.WriteLine("图书编号:\t" + bookid);13                 foreach (XmlNode child in item.ChildNodes)14                 {15                     //一个child代表一本图书的单个属性16                     switch (child.Name)17                     {18                         case "bookName":19                             Console.WriteLine("图书名称:\t" + child.InnerText);20                             break;21                         case "price":22                             Console.WriteLine("图书价格\t" + child.InnerText);23                             break;24                         case "author":25                             Console.WriteLine("图书作者\t" + child.InnerText);26                             break;27                     }28                 }29                 Console.WriteLine("==========================================");30             }