请教一个模拟登录的问题！

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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" >
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta content="缘分博客，在线音乐，在线视频，在线游戏，交友平台，33591.com欢迎您,Fate blog, online music, online video, online games, dating platform, 33591.com Welcome" name="keywords">
<meta content="缘分博客，在线音乐，在线视频，在线游戏，交友平台，33591.com欢迎您,Fate blog, online music, online video, online games, dating platform, 33591.com Welcome" name="description">
<title>缘分博客，在线音乐，在线视频，在线游戏，交友平台，33591.com欢迎您,Fate blog, online music, online video, online games, dating platform, 33591.com Welcome</title>
<link href="style/user.css" rel="stylesheet" type="text/css" />
<script src="js/swfobject.js" type="text/javascript"></script>
</head>
<body>
<div class="top">
<ul>
<div class="logo"></div>
<div class="top1">
<li>下载快接图标</li>
<li style="cursor:hand;" onclick="window.external.addFavorite('http://www.33591.com','33591缘分网');">收藏本站</li>
<li style="cursor:hand;" onclick="this.style.behavior='url(#default#homepage)';this.setHomePage('http://www.33591.com');return false;">设为首页</li>
</div>
<div class="top2"><form style="margin:0px;padding:0px;" action="userlogin.aspx?action=login" method=post id="form_1" name="form_1">
<ul>
<li class="login_input"><span class="name"> <input type="text" name="username" /></span><span class="pass"><input type="password" name="userpass" /></span><span class="btn"><img src="img/login_btn.gif" onclick='form_1.submit();' /></span></li>
<li class="regs"><a href='reguser.aspx'>免费注册</a>   |   <a href='getpassword.aspx'>忘记密码</a> </li>
</ul>
</form></div>
<div class="top3"></div>
</ul>
</div>
<div class="nav">
<ul>
<li class='cur'><a href="default.aspx">首页</a></li>
<li ><a href="mainmusic.aspx">音乐</a></li>
<li ><a href="mainpic.aspx">相册</a></li>
<li ><a href="mainnote.aspx">日志</a></li>
<li ><a href="users.aspx">博客</a></li>
<li ><a href="qinglv.aspx">情侣</a></li>

</ul>
</div><div class="main">
<ul class="usti"></ul>
<ul class="otturi45">
<div class="elanjima"><script type="text/javascript">/*960*90，创建于2011-8-5*/ var cpro_id = 'u565422';</script>
<script src="http://cpro.baidu.com/cpro/ui/c.js" type="text/javascript"></script></div>
<div class="leftag">
  <div  class="tabb29">
    <div class="tabs">
      <li class="tabg">登录</li>
      </div>
    <div class="main123">
      <ul>
        <table width="226" height="111" border="0" align="center" cellpadding="0" cellspacing="0">
<form style="margin:0px;" action="?action=login" method="post">
          <tr>
            <td colspan="3"></td>
          </tr>
          <tr>
            <td height="24" colspan="3"> </td>
          </tr>
          <tr>
            <td width="16%" rowspan="6"> </td>
            <td height="24" colspan="2">用户名</td>
          </tr>
          <tr>
            <td height="12" colspan="2"><input name="username" style="width:180px;" maxlength="18" /></td>
          </tr>
          <tr>
            <td height="24" colspan="2">密  码：</td>
          </tr>
          <tr>
            <td height="12" colspan="2"><input name="userpass" style="width:180px;" type="password" /></td>
          </tr>
          <tr>
            <td width="84%" height="24"> </td>
          </tr>
          <tr>
            <td><input name="submit" type="submit" value="  登录  " />
                <input name="submit" type="button" onclick="location.href='reguser.aspx';" value="  注册  " /></td>
          </tr>
</form>
        </table>
      </ul>
      </div>
  </div>
  <div class="sol71"><script type="text/javascript">/*250*250，创建于2011-8-5*/ var cpro_id = 'u565436';</script><script src="http://cpro.baidu.com/cpro/ui/c.js" type="text/javascript"></script></div>
    </div>
<div class="rightag"><div  class="tabb224"><div class="main195"> </div>
</div>
</div>
</ul>
<ul class="asti"></ul>
</div>
<br />
<div class="main">
<ul class="usti"></ul>
<ul class="link"><ul>
<li><a href="gg" target="_blank">广告服务</a></li><li><a href="addlink.aspx" target="_blank">申请连接</a></li><li><a href="#">会员注册</a></li><li><a href="#">联系我们</a></li><li><a href="#">33591关于</a></li></ul>
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</ul>
  <ul class="asti"></ul>
</div>
  <br />
</body>
</html>
这是登录页面源代码
HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
        request.Method = "POST";
        request.ContentType = "application/x-www-form-urlencoded";
        request.CookieContainer = cc;
        request.AllowAutoRedirect = true;
        request.Referer = url;
        byte[] buff = Encoding.UTF8.GetBytes(postData);
        request.ContentLength = buff.Length;
        Stream stream = request.GetRequestStream();
        stream.Write(buff, 0, buff.Length);
        HttpWebResponse response = request.GetResponse() as HttpWebResponse;
        return GetStringFromStream(response.GetResponseStream(), Encoding.UTF8);

调试易

请教一个模拟登录的问题！

解决方案 »