asp.net数据库生成xml文件

using System;

using System.Data;

using System.Configuration;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.HtmlControls;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Xml;

using System.Data.OleDb;



/// <summary>

///data2xml 的摘要说明

/// </summary>

public class data2xml

{

	public data2xml()

	{

		//

		//TODO: 在此处添加构造函数逻辑

		//



	}



    /// <summary>

    /// 提取top10的题目生成question.xml

    /// </summary>

    public void qlist()

    {

        XmlDocument xmlDoc = new XmlDocument();

        XmlDeclaration declareation;

        declareation = xmlDoc.CreateXmlDeclaration("1.0", "UTF-8", null);

        xmlDoc.AppendChild(declareation);



        XmlElement xeRoot = xmlDoc.CreateElement("content");

        xmlDoc.AppendChild(xeRoot);



        XmlNode root = xmlDoc.SelectSingleNode("content");

        



        AccessDbClass newDB = new AccessDbClass();

        OleDbDataAdapter da = newDB.SelectToOleDbDataAdapter("select top 10 * from [question] where [qState]=1 order by rnd([qID])");

        DataSet ds = new DataSet();

        da.Fill(ds);

        newDB.Close();



        for (int i = 0; i < ds.Tables[0].Rows.Count; i++)

        {

            XmlElement xeQuestion = xmlDoc.CreateElement("question");



                XmlElement xeTitle = xmlDoc.CreateElement("title");

                xeTitle.InnerText = ds.Tables[0].Rows[i]["qTitle"].ToString();

                xeQuestion.AppendChild(xeTitle);



                XmlElement xeID = xmlDoc.CreateElement("ID");

                xeID.InnerText = ds.Tables[0].Rows[i]["qID"].ToString();

                xeQuestion.AppendChild(xeID);



                XmlElement xeAnswer = xmlDoc.CreateElement("answer");

                xeAnswer.SetAttribute("type", ds.Tables[0].Rows[i]["qType"].ToString());



                    string qAnswer = ds.Tables[0].Rows[i]["qAnswer"].ToString();

                    string[] q_Answer = qAnswer.Split('|');



                    string qVote = ds.Tables[0].Rows[i]["qVote"].ToString();

                    string[] q_Vote = qVote.Split(',');



                    for (int j = 0; j < q_Answer.Length; j++)

                    {

                        XmlElement xeLabel = xmlDoc.CreateElement("label");

                        xeLabel.SetAttribute("vote", q_Vote[j].ToString());

                        xeLabel.SetAttribute("id", (j+1).ToString());

                        xeLabel.InnerText = q_Answer[j].ToString();

                        xeAnswer.AppendChild(xeLabel);

                    }



               xeQuestion.AppendChild(xeAnswer);



            xeRoot.AppendChild(xeQuestion);

        }

        



        xmlDoc.Save(AppDomain.CurrentDomain.BaseDirectory + "\\question.xml");



    }







    /// <summary>

    /// 获取相应留言ID生成id.xml

    /// </summary>

    /// <param name="num">留言ID</param>

    public void mlist(int num)

    {

        //<?xml version="1.0" encoding="UTF-8"?>

        //<leaveWord>

	        //<content><![CDATA[中山狼，得志更猖狂.]]></content>

        //</leaveWord>





        //表示XML文档

        XmlDocument xmlDoc = new XmlDocument();



        //表示 XML 声明节点

        //standalone定义了是否可以在不读取任何其它文件的情况下处理该文档,默认为no

        //<?xml version="1.0" encoding="UTF-8" standalone="yes"?>生成结束

        XmlDeclaration declareation;

        declareation = xmlDoc.CreateXmlDeclaration("1.0", "UTF-8", null);

        xmlDoc.AppendChild(declareation);



        //创建一个leaveWord根元素

        XmlElement xeRoot = xmlDoc.CreateElement("leaveWord");

        xmlDoc.AppendChild(xeRoot);//Root根元素创建完成



        //查找<leaveWord>

        XmlNode root = xmlDoc.SelectSingleNode("leaveWord");



        AccessDbClass newDB = new AccessDbClass();

        OleDbDataAdapter da = newDB.SelectToOleDbDataAdapter("select * from [message] where [qid]=" + num +" order by [addTime] desc");

        DataSet ds = new DataSet();

        da.Fill(ds);

        newDB.Close();



        for (int i = 0; i < ds.Tables[0].Rows.Count; i++)

        {

            //在<leaveWord>之下创建元素<content>

            //XmlElement xeContent = xmlDoc.CreateElement("content");

            //指定属性的属性值

            //xeContent.SetAttribute("id", "1");

            //完成子节点<content>

            //root.AppendChild(xeContent);



            XmlCDataSection xeContent = xmlDoc.CreateCDataSection("content");

            xeContent.InnerText = ds.Tables[0].Rows[i]["mContent"].ToString();

            xeRoot.AppendChild(xeContent);

        }

        xmlDoc.Save(AppDomain.CurrentDomain.BaseDirectory +"\\"+num+".xml");

    }

}