using System; 
using System.Net; 
using System.IO; 
using System.Text;         [STAThread] 
        static void Main(string[] args) 
        { 
            // 
            // TODO: 在此处添加代码以启动应用程序 
            // 
            string url="http://localhost/csdn2/1.asp"; 
//            <% 
//            if request("aa")="zhuye" then session("ok")="ok" 
//            if session("ok")="ok" then 
//            response.write("登录") 
//            else 
//            response.write("没有登录") 
//            end if 
//            %> 
            string indata="aa=zhuye"; 
            string outdata=""; 
            CookieContainer myCookieContainer=new CookieContainer(); 
            //新建一个CookieContainer来存放Cookie集合 
            HttpWebRequest myHttpWebRequest=(HttpWebRequest)WebRequest.Create(url); 
            //新建一个HttpWebRequest 
            myHttpWebRequest.ContentType="application/x-www-form-urlencoded"; 
            myHttpWebRequest.ContentLength=indata.Length; 
            myHttpWebRequest.Method="POST"; 
            myHttpWebRequest.CookieContainer=myCookieContainer; 
            //设置HttpWebRequest的CookieContainer为刚才建立的那个myCookieContainer 
            Stream myRequestStream=myHttpWebRequest.GetRequestStream(); 
            StreamWriter myStreamWriter=new StreamWriter(myRequestStream,Encoding.GetEncoding("gb2312"));                 
            myStreamWriter.Write(indata); 
            //把数据写入HttpWebRequest的Request流 
            myStreamWriter.Close(); 
            myRequestStream.Close(); 
        &nb