asp.net操作XML

asp.net操作XML

NET开发,ASP.NET开发文章,ASP.NET资料. asp.net操作XML. Xml基本概念 一．Xml文档包括两部分内容 1． 一个xml文档声明 声明这是一个xml文档 2． 用xml标识创建的内容 二．Xml中的基本概念 1． Element(元素)：构成xml文档的最小单位，即xml文档表示的单个
http://csharp.xdowns.com/archives/2006/05/17/341.html

asp.net 对xml文件的读写,添加,修改,删除操作
下面有代码调试正确

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Xml;
private XmlDocument xmlDoc;

        //load xml file
        private void LoadXml()
        {
            xmlDoc=new XmlDocument();
            xmlDoc.Load(Server.MapPath(User.xml));
        }

        //添加节点
        private void AddElement()
        {
           
            LoadXml();

            XmlNode xmldocSelect=xmlDoc.SelectSingleNode(user);
           
            XmlElement el=xmlDoc.CreateElement(person); //添加person节点
            el.SetAttribute(name,风云); //添加person节点的属性name
            el.SetAttribute(sex,女);   //添加person节点的属性 sex
            el.SetAttribute(age,25);   //添加person节点的属性 age
           
             XmlElement xesub1=xmlDoc.CreateElement(pass); //添加person节点的里的节点
             xesub1.InnerText=123;//设置文本节点
             el.AppendChild(xesub1);
             XmlElement xesub2=xmlDoc.CreateElement(Address);
             xesub2.InnerText=昆明;//设置文本节点
             el.AppendChild(xesub2);

            xmldocSelect.AppendChild(el);
            xmlDoc.Save(Server.MapPath(user.xml));

        }

       

        //修改节点
        private void UpdateElement()
        {
            LoadXml();
            XmlNodeList nodeList=xmlDoc.SelectSingleNode(user).ChildNodes;//获取bookstore节点的所有子节点
            foreach(XmlNode xn in nodeList)//遍历所有子节点
            {
                XmlElement xe=(XmlElement)xn;//将子节点类型转换为XmlElement类型
                if(xe.GetAttribute(name)==风云)//如果name属性值为“风云”
                {
                    xe.SetAttribute(name,发明);

                   
                    //如果下面有子节点在下走
                     XmlNodeList nls=xe.ChildNodes;//继续获取xe子节点的所有子节点
                    foreach(XmlNode xn1 in nls)//遍历
                    {
                       XmlElement xe2=(XmlElement)xn1;//转换类型
                        if(xe2.Name==pass)//如果找到
                        {
                            xe2.InnerText=66666;//则修改
                            break;

                        }
                    }

                    break;
                }
            }
           xmlDoc.Save(Server.MapPath(user.xml));//保存
        }

        //删出节点
        private void deleteNode()
        {
           
            LoadXml();
            XmlNodeList xnl=xmlDoc.SelectSingleNode(user).ChildNodes;
 
            foreach(XmlNode xn in xnl)
            {
                XmlElement xe=(XmlElement)xn;
               
                if(xe.GetAttribute(name)==发明)
                {
                    //xe.RemoveAttribute(name);//删除name属性
                    xe.RemoveAll();//删除该节点的全部内容

                   
                    break;
                }
               
            }
            xmlDoc.Save(Server.MapPath(user.xml));//保存
        }

        private void showIt()
        {
            LoadXml();
            XmlNode xn=xmlDoc.SelectSingleNode(user);
 
            XmlNodeList xnl=xn.ChildNodes;
  
            foreach(XmlNode xnf in xnl)
            {
                XmlElement xe=(XmlElement)xnf;
//                Console.WriteLine(xe.GetAttribute(name));//显示属性值
//                Console.WriteLine(xe.GetAttribute(sex));
//
//                XmlNodeList xnf1=xe.ChildNodes;
//                foreach(XmlNode xn2 in xnf1)
//                {
//                    Console.WriteLine(xn2.InnerText);//显示子节点点文本
//                }

            }

        }
   
Xml的样式:
<?xml version=1.0 encoding=gb2312?>
<user>
  <person>
  </person>
  <person name=风拉 sex=男 age=25>
    <pass>123</pass>
    <Address>大明</Address>
  </person>
  <person name=风云 sex=女 age=25>
    <pass>123</pass>
    <Address>昆明</Address>
  </person>
</user>