itfuture

导航

 
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.OleDb;
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.Configuration;

namespace makehtmlfile
{
 
/// <summary>
 
/// makeallfiles 的摘要说明。
 
/// </summary>

 public class makeallfiles : System.Web.UI.Page
 
{
  
public string strcon;
  
public OleDbConnection conn;
  
public string strSQL;

  
private void Page_Load(object sender, System.EventArgs e)
  
{
   
   InitialPages();
// 在此处放置用户代码以初始化页面
  }


  
public void InitialPages()
  
{
   strcon    
= "provider=Microsoft.jet.OLEDB.4.0;data Source="+Server.MapPath(ConfigurationSettings.AppSettings["MDBpath2"])+";";//连接字符窜// 在此处放置用户代码以初始化页面
            strSQL = "select id,class1id,class2id from news order by id desc";
   MakeAreaForShow(); 
   ReadNewsForWriteFileUserDataReader();      
//同过DataReader来读取数据,
   
//ReadNewsForWriteFileUserDataSet();      //将数据直接挂入DataSet中来读取,
  }

  
/// <summary>
  
/// 用来产生循环显示页面的区域,装载生成HTML页的ASPX页面的区域
  
/// </summary>

  public void MakeAreaForShow()
  
{
   Response.Write(
"<span id=showImport></span>");
   Response.Write(
"<IE:Download ID='oDownload' STYLE='behavior:url(#default#download)'/>");
  }


  
/// <summary>
  
/// 通过DATAREADER来读取数据
  
/// </summary>

  public void ReadNewsForWriteFileUserDataReader()
  
{
   
int              num        =   0   ;
   
string           newsid     =   null;
   
string           class1id   =   null;
   
string           class2id   =   null;
   OleDbDataReader  dr         
=   null;
   OleDbConnection  conn       
=   new OleDbConnection(strcon);
   conn.Open();
   OleDbCommand     mycommand  
=   new OleDbCommand(strSQL,conn);
   dr                          
=   mycommand.ExecuteReader();
   
while(dr.Read())
   
{
    newsid                  
=   dr["id"].ToString();
    class1id                
=   dr["class1id"].ToString();
    class2id                
=   dr["class2id"].ToString();
                WriteJScript(newsid,class1id,class2id);
    num
++;
   }

   dr.Close();
   conn.Close();
   Response.Write(num.ToString());

  }


  
/// <summary>
  
/// 通过DATASET来读取数据
  
/// </summary>

  public void ReadNewsForWriteFileUserDataSet()
  
{
   DataSet          ds         
=   new DataSet();
   
int              num        =   0   ;
   
string           newsid     =   null;
   
string           class1id   =   null;
   
string           class2id   =   null;

   OleDbConnection  conn       
=   new OleDbConnection(strcon);
   conn.Open();
   OleDbDataAdapter da         
=   new OleDbDataAdapter(strSQL,conn);
   da.Fill(ds,
"news");
   conn.Close();
   num                         
=   ds.Tables["news"].Rows.Count;
   
foreach(DataRow dr in ds.Tables["news"].Rows)
   
{
    newsid     
=    dr["id"].ToString();
    class1id   
=    dr["class1id"].ToString();
    class2id   
=    dr["class2id"].ToString();
    WriteJScript(newsid,class1id,class2id);
   }

   ds 
= null;
   Response.Write(num.ToString());
   
  }


  
public void WriteJScript(string newsid,string class1id,string class2id)
  
{
   Response.Write(
"<script>");
   Response.Write(
"function onDownloadDone(downDate)");
   Response.Write(
"{");
   Response.Write(
"showImport.innerHTML=downDate");
   Response.Write(
"}");
   Response.Write(
"oDownload.startDownload('makefile2.aspx?id=");
   Response.Write(newsid);
   Response.Write(
"&class1id=");
   Response.Write(class1id);
   Response.Write(
"&class2id=");
   Response.Write(class2id);
   Response.Write(
"',onDownloadDone)");
   Response.Write(
"</script>");
  }


  

  
Web 窗体设计器生成的代码
 }

}



posted on 2006-12-14 15:51  自强不息  阅读(237)  评论(0编辑  收藏  举报