?using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Xml;
/// <summary>
/// XML_user 的摘要說明
/// </summary>
public class XML_user
{
	public XML_user()
	{
		//
		// TODO: 在此處添加構造函數邏輯
		//
	}
    public void WriteXml(string FileName, string user_id, string user_name, string user_pwd, string user_emile)
    {
        //初始化XML文檔操作類
        XmlDocument myXml = new XmlDocument();

        //加載指定的XML文件
        myXml.Load(FileName);

        //添加元素-ID
        XmlElement ele0 = myXml.CreateElement("id");
        XmlText Text0 = myXml.CreateTextNode(user_id);//屬性

        //添加元素-姓名
        XmlElement ele1 = myXml.CreateElement("name");
        XmlText Text1 = myXml.CreateTextNode(user_name);

        //添加元素-密碼
        XmlElement ele2 = myXml.CreateElement("pwd");
        XmlText Text2 = myXml.CreateTextNode(user_pwd);

        //添加元素-郵件地址
        XmlElement ele3 = myXml.CreateElement("emile");
        XmlText Text3 = myXml.CreateTextNode(user_emile);

        //添加元素的節點---studentRecord
        XmlNode newElem = myXml.CreateNode("element", "userRecord", "");

        //在節點中添加元素
        newElem.AppendChild(ele0);
        newElem.LastChild.AppendChild(Text0);
        newElem.AppendChild(ele1);
        newElem.LastChild.AppendChild(Text1); 
        newElem.AppendChild(ele2);
        newElem.LastChild.AppendChild(Text2);
        newElem.AppendChild(ele3);
        newElem.LastChild.AppendChild(Text3);


        //將節點添加到文檔中
        XmlElement root = myXml.DocumentElement;
        root.AppendChild(newElem);

        //保存所有的修改
        myXml.Save(FileName);

    }
}