小妹https访问返回结果不变的有关问题

小妹求救https访问返回结果不变的问题
环境IIS7 证书利用IIS设置里的创建自签名证书。

主要问题，我设立了一个网站用https方式访问。

获取两个参数，返回页面一个OK和Error的值。

WinForm里访问这个网站，但是每次访问得到的结果都是一个，

均返回“OK”，无论怎么修改传递的值都一样，请帮我看看哪里出问题了！


Default.aspx

C# code

using System;using System.Collections.Generic;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;namespace SSLWeb{    public partial class _Default : System.Web.UI.Page    {        protected void Page_Load(object sender, EventArgs e)        {            string user_name=Request.QueryString["user_name"];            string password = Request.QueryString["password"];            if (user_name == "admin" && password == "admin")            {                Response.Write("OK");            }            else            {                Response.Write("Error");            }        }    }}

WinForm窗体代码

C# code

using System;using System.Collections.Generic;using System.Text;using System.IO;using System.Configuration;using System.Security.Cryptography.X509Certificates;using System.Security.Authentication;using System.Net;using System.Net.Security;using System.Windows.Forms;namespace SSLWindows{    public partial class Form1 : Form    {        public Form1()        {            InitializeComponent();        }        private void Form1_Load(object sender, EventArgs e)        {            try            {                string loginUrl = "https://192.168.0.62/Default.aspx";                string userName = "admin";//重点这里传递任何值返回值都是一样的                string password = "admin";                Encoding encoding = Encoding.GetEncoding("gb2312");                IDictionary<string, string> parameters = new Dictionary<string, string>();                parameters.Add("user_name", userName);                parameters.Add("password", password);                HttpWebResponse response = HttpWebResponseUtility.CreatePostHttpResponse(loginUrl,                    parameters, null,null, encoding,null);                                //StreamReader re = new StreamReader(request.GetResponse().GetResponseStream());                string cookieString = response.StatusDescription;                if (cookieString == null)                {                    MessageBox.Show("null");                }                else                {                    MessageBox.Show(cookieString);                }            }            catch (Exception ex)            {                MessageBox.Show(ex.Message);            }        }    }}

HttpWebResponseUtility.cs

C# code

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Net;using System.Net.Security;using System.IO;using System.Security.Cryptography.X509Certificates;namespace SSLWindows{    public class HttpWebResponseUtility    {        private static readonly string DefaultUserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; "            +".NET CLR 1.1.4322; .NET CLR 2.0.50727)";        /// <summary>        /// 创建POST方式的HTTP请求        /// </summary>        /// <param name="url">请求的URL</param>        /// <param name="parameters">随同请求POST的参数名称及参数值字典</param>        /// <param name="timeout">请求的超时时间</param>        /// <param name="userAgent">请求的客户端浏览器信息，可以为空</param>        /// <param name="requestEncoding">发送HTTP请求时所用的编码</param>        /// <param name="cookies">随同HTTP请求发送的Cookie信息，如果不需要身份验证可以为空</param>        /// <returns></returns>        public static HttpWebResponse CreatePostHttpResponse(string url,IDictionary<string,string> parameters,            int? timeout, string userAgent,Encoding requestEncoding,CookieCollection cookies)        {            if (string.IsNullOrEmpty(url))            {                 throw new ArgumentNullException("url");             }            if(requestEncoding==null)            {                 throw new ArgumentNullException("requestEncoding");            }            HttpWebRequest request=null;            //如果是发送HTTPS请求            if(url.StartsWith("https",StringComparison.OrdinalIgnoreCase))            {                ServicePointManager.ServerCertificateValidationCallback =                     new RemoteCertificateValidationCallback(CheckValidationResult);                request = WebRequest.Create(url) as HttpWebRequest;                request.ProtocolVersion=HttpVersion.Version10;            }            else            {                request = WebRequest.Create(url) as HttpWebRequest;            }            request.Method = "POST";            request.ContentType = "application/x-www-form-urlencoded";            if (!string.IsNullOrEmpty(userAgent))            {                request.UserAgent = userAgent;            }            else            {                request.UserAgent = DefaultUserAgent;            }            if (timeout.HasValue)            {                request.Timeout = timeout.Value;            }            if (cookies != null)            {                request.CookieContainer = new CookieContainer();                request.CookieContainer.Add(cookies);            }            //如果需要POST数据            if(!(parameters==null||parameters.Count==0))            {                StringBuilder buffer = new StringBuilder();                int i = 0;                foreach (string key in parameters.Keys)                {                    if (i > 0)                    {                        buffer.AppendFormat("&{0}={1}", key, parameters[key]);                    }                    else                    {                        buffer.AppendFormat("{0}={1}", key, parameters[key]);                    }                    i++;                }                byte[] data = requestEncoding.GetBytes(buffer.ToString());                using (Stream stream = request.GetRequestStream())                {                    stream.Write(data, 0, data.Length);                }             }            return request.GetResponse() as HttpWebResponse;        }        private static bool CheckValidationResult(object sender, X509Certificate certificate,            X509Chain chain, SslPolicyErrors errors)        {            return true; //总是接受        }    }} 
 

[解决办法]
用Request.QueryString取不到值，使用HttpWebResponse的GetResponse方法试试：
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream systemEntranceStream = response.GetResponseStream();
DataSet systemEntranceData = new DataSet();
systemEntranceData.ReadXml(systemEntranceStream);
[解决办法]
parameters.Add("@user_name", userName);
parameters.Add("@password", password);

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