下面内容段是关于C# 中xmlreader类的实用演示的内容。

protected void Page_Load(object sender, EventArgs e)
        {
            int i = 0;
            XmlReaderSettings set=new XmlReaderSettings();
            set.IgnoreComments=true;
            set.IgnoreWhitespace=true;
            using (XmlReader reader = XmlReader.Create(Server.MapPath("books.xml"), set)) {
                while (reader.Read()) {
                    if (reader.NodeType == XmlNodeType.Element) {
                        if (reader.LocalName == "book") {
                            i++;
                        }
                    }
                }
                Response.Write("<script>alert('共有" + i.ToString() + "本书')</script>");
            }
           
        }
 

                                
                        
                                
xml文档内容
                                
                        
                                

<?xml version="1.0" encoding="utf-8"?>
<books>
  <book>
    <author>张三</author>
    <publisher>清华大学出版社</publisher>
    <date>2009-1-1</date>
    <name>ASP.NET实训教程</name>
    <isbn>978-7-333-20981-4</isbn>
    <price>50.00</price>
  </book>
  <book>
    <author>李四</author>
    <publisher>机械工业出版社</publisher>
    <date>2009-6-8</date>
    <name>ASP.NET详解</name>
    <isbn>978-7-333-20332-1</isbn>
    <price>45.00</price>
  </book>
  <book>
    <author>王五</author>
    <publisher>电子工业出版社</publisher>
    <date>2010-10-9</date>
    <name>C#程序设计</name>
    <isbn>978-7-311-21231-2</isbn>
    <price>50.00</price>
  </book>
  <book>
    <author>张飞</author>
    <publisher>机械工业出版社</publisher>
    <date>2008-4-12</date>
    <name>.NET设计模式</name>
    <isbn>978-7-310-12341-9</isbn>
    <price>30.00</price>
  </book>
</books>