关于HttpWebRequest的问题（急）

Question

我要做的是向一个网站提交表单，但是该网站有cookie验证，提交数据必须得有相应的cookie才行，第一次进入网站时，该网站会返回一个sessionID,所以我就打算用下面的方法，访问两次，第一次获取cookie，第二次带着cookie提交数据，但运行到最后一行“request1.GetResponse();”时程序会卡死不动，直到提示超时错误，而如果我中间把request.Abort()了，那么虽然能提交，但之前与网站的连接已经不存在，提交的cookie也就不是本次所需要的了，大家帮帮忙，这个问题我是实在不知道如何解决了，不过用python，可以说同样的方法就能成功，难道C#就不行。。下面是C#和python的代码CookieContainer cookieContainer = new CookieContainer();
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://192.168.0.232:8360/rule_conf/index_core.htm?product=url&business_type=1");   
            request.CookieContainer = cookieContainer;
            request.Accept = "text/html, application/xhtml+xml, */*";
            request.UserAgent = "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)";
            request.Method = "Get";
            request.Headers.Add("Accept-Encoding: gzip, deflate");
            request.Headers.Add("Accept-Language: zh-CN");
            request.KeepAlive = true;
            request.GetResponse();            HttpWebRequest request1 = (HttpWebRequest)WebRequest.Create("http://192.168.0.232:8360/rule_conf/index_core.htm?product=url&business_type=1");
            request1.CookieContainer = cookieContainer;
            request1.Accept = "text/html, application/xhtml+xml, */*";
            request1.UserAgent = "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)";
            request1.Method = "Post";
            request1.Headers.Add("Accept-Encoding: gzip, deflate");
            request1.Headers.Add("Accept-Language: zh-CN");
            request1.KeepAlive = true;
            string data = "op=add&rule_num=&apply=N&rule_id=wdid%3A150&business_type=1&rules=%28return_levelsublevel%3A70.0%29%26%26%28file_path%3Alike%2Clinetest4%29&type=in&regionlist=100000&hit_limit=&rule_desc=test&del_reasion=";
            request1.ContentLength = data.Length;
            StreamWriter sw = new StreamWriter(request1.GetRequestStream(), Encoding.ASCII);
            sw.Write(data);
            sw.Flush();
            request1.GetResponse();
        }#coding: gbk
import urllib
import urllib2
import cookielib
import httplib2
Entryurl = 'http://192.168.0.232:8360/rule_conf/index_core.htm?product=url&business_type=1'
http = httplib2.Http()
headers = {'User-agent':'Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1)',
            'Accept':'text/html, application/xhtml+xml, */*',
            'Referer':'http://192.168.0.232:8360/rule_conf/',
            'Accept-Encoding':'gzip, deflate',
            'Host':'192.168.0.232:8360',
            'Connection':'Keep-Alive',
            'Accept-Language':'zh-CN'}
response, content = http.request(Entryurl, 'GET', headers=headers)
cookie = re.split(';',response['set-cookie'])[0]
url = 'http://192.168.0.232:8360/rule_conf/index_core.htm?product=url&business_type=1'
data = {'op':'add',
        'rule_num':'',
        'apply':'N',
        'rule_id':'wdid:2',
        'business_type':'1',
        'rules':'(return_levelsublevel:40.0)&&(file_path:like,自动化测试)',
        'type':'in',
        'regionlist':'100000',
        'hit_limit':'',
        'rule_desc':'test',
        'del_reasion':'',
        }
postData = urllib.urlencode(data) 
 headers ={'User-Agent':'Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1)',
        'Content-Type':'application/x-www-form-urlencoded',
        'Cache-Control':'no-cache',
        'Accept': 'text/html, application/xhtml+xml, */*',
        'Connection': 'Keep-Alive',
        'Referer':'http://192.168.0.232:8360/rule_conf/index_core.htm?product=url&business_type=1',
        'Accept-Language': 'zh-CN',
        'Cookie': cookie,        #User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)
        'Accept-Encoding: gzip': 'deflate',
        'Host': '192.168.0.232:8360',
        'Connection': 'Keep-Alive',
        'Cache-Control':'no-cache'}
response, content = http.request(Entryurl, 'POST', headers=headers,body = postData)
print response
print content