读取xml文件内容_计算节点数量

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Xml;

namespace Ado_upper

{

    public partial class XlmWrite : System.Web.UI.Page

    {

        public static int i = 0;

        protected void Page_Load(object sender, EventArgs e)

        {

            XmlReaderSettings setting=new XmlReaderSettings();

            setting.IgnoreComments=true;

            setting.IgnoreWhitespace=true;

            using (XmlReader reader = XmlReader.Create(Server.MapPath("books.xml"), setting))//读取内容到内存中

            {

                while (reader.Read())

                {

                    if (reader.NodeType == XmlNodeType.Element)

                    {

                        if (reader.LocalName == "book")

                        {

                            i++;

                        }

                    }

                }

                Response.Write(i.ToString());

            }

           

        }

    }

}