C#显示(读取)XML元素内容的简单例子

接上一篇

显示所有结点的内容

1 原xml文件 bookstore.xml

 

<?xml version="1.0" encoding="gb2312"?>
<bookstore>
  <book ISBN="1234123">
    <title>who am i </title>
    <author>who</author>
    <price>999</price>
  </book>
  <book>
  </book>
</bookstore>

 

2 program.cs

 

using System;
using System.Xml;

namespace ReadXml
{
    class Class1
    {
        static void Main(string[] args)
        {
            //实例化一个XmlDocument对象
            XmlDocument xmlDoc = new XmlDocument();
            //实例对象读取要写入的XML文件
            xmlDoc.Load("bookstore.xml");
            XmlNode xn = xmlDoc.SelectSingleNode("bookstore");
            XmlNodeList xnl = xn.ChildNodes;

            foreach (XmlNode xnf in xnl)
            {
                XmlElement xe = (XmlElement)xnf;
                //该属性没有，不显示，但不会报错

                Console.WriteLine(xe.GetAttribute("genre"));

                //显示属性值
                Console.WriteLine(xe.GetAttribute("ISBN"));

                XmlNodeList xnf1 = xe.ChildNodes;
                foreach (XmlNode xn2 in xnf1)
                {
                    Console.WriteLine(xn2.InnerText);//显示子节点点文本
                }
            }
        }
    }
}

 

3 显示结果

 

1234123
who am i
who
999