Удаленный сервер возвратил ошибку 400 недопустимый запрос

I am getting The remote server returned an error: (400) Bad Request error while running the following code.
I am trying to upload xml file on the http server.
My xml file contains tag for the username,password and domain and when i am trying to connect is manually i am able to connect it,but using same credentials when i am trying to connect it through this code, i am getting 400 Bad Request error.
Please suggest me how to overcome this issue.
Thanks
`

  public static void UploadHttp(string xml)     
    {

        string txtResults = string.Empty;
        try
        {
            string url = "http://my.server.com/upload.aspx ";
            HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);
            request.KeepAlive = false;
            request.SendChunked = true;
            request.AllowAutoRedirect = true;
            request.Method = "Post";
            request.ContentType = "text/xml";
            var encoder = new UTF8Encoding();
            var data = encoder.GetBytes(xml);
            request.ContentLength = data.Length;
            var reqStream = request.GetRequestStream();
            reqStream.Write(data, 0, data.Length);
            reqStream.Close();
            WebResponse response = null;
            response = request.GetResponse();
            var reader = new StreamReader(response.GetResponseStream());
            var str = reader.ReadToEnd();
        }
        catch (WebException ex)
        {
            if (ex.Status == WebExceptionStatus.ProtocolError)
            {
                HttpWebResponse err = ex.Response as HttpWebResponse;
                if (err != null)
                {
                    string htmlResponse = new StreamReader(err.GetResponseStream()).ReadToEnd();
                    txtResults = string.Format("{0} {1}", err.StatusDescription, htmlResponse);
                }
            }
            else
            {

            }
        }
        catch (Exception ex)
        {
            txtResults = ex.ToString();
        }
    }`

asked Jan 10, 2013 at 16:04

answered Jan 10, 2013 at 16:57

I am getting this exception when trying to access a wcf web service.

[WebException: The remote server returned an error: (400) Bad Request.]
  System.Net.HttpWebRequest.GetResponse() +5314029
  System.ServiceModel.Channels.HttpChannelRequest.WaitForReply(TimeSpan timeout) +54

Server Binding Information

<system.serviceModel>
   <bindings>
      <basicHttpBinding>
         <binding name="wcfSmartConnect" closeTimeout="10:01:00" 
                  maxBufferSize="104857600" maxBufferPoolSize="104857600" 
                  maxReceivedMessageSize="104857600" openTimeout="10:01:00"
                  receiveTimeout="10:10:00" sendTimeout="10:01:00"
                  messageEncoding="Mtom" transferMode="StreamedRequest">
            <readerQuotas maxDepth="104857600" maxStringContentLength="104857600"
                          maxArrayLength="104857600" maxBytesPerRead="104857600" 
                          maxNameTableCharCount="104857600" />
         </binding>
      </basicHttpBinding>
   </bindings>
   <services>
      <service name="WcfSmartConnect.Service1"
               behaviorConfiguration="WcfSmartConnect.Service1Behavior">
         <endpoint 
               address="" 
               binding="basicHttpBinding" 
               bindingConfiguration="wcfSmartConnect"
               contract="WcfSmartConnect.IService1">
            <identity>
               <dns value="localhost" />
            </identity>
         </endpoint>
         <endpoint 
               address="mex" 
               binding="mexHttpBinding" contract="IMetadataExchange" />
      </service>
  </services>
  <behaviors>
      <serviceBehaviors>
           <behavior name="WcfSmartConnect.Service1Behavior">
            <serviceMetadata httpGetEnabled="true"/>
                <serviceDebug includeExceptionDetailInFaults="false"/>
        </behavior>
      </serviceBehaviors>
   </behaviors>
</system.serviceModel>

Client Binding Information

<system.serviceModel>
   <bindings>
      <basicHttpBinding>
         <binding name="wcfSmartConnect" closeTimeout="10:01:00" 
                  maxBufferSize="104857600" maxBufferPoolSize="104857600" 
                  maxReceivedMessageSize="104857600" openTimeout="10:01:00" 
                  receiveTimeout="10:10:00" sendTimeout="10:01:00" 
                  messageEncoding="Mtom" transferMode="StreamedRequest">
             <readerQuotas maxDepth="104857600" maxStringContentLength="104857600"
                           maxArrayLength="104857600" maxBytesPerRead="104857600" 
                           maxNameTableCharCount="104857600" />
         </binding>
      </basicHttpBinding>
      <wsHttpBinding>
          <binding name="WSHttpBinding_IService11" closeTimeout="01:00:00"
                   openTimeout="01:00:00" receiveTimeout="01:00:00" 
                   sendTimeout="01:00:00" bypassProxyOnLocal="false" 
                   transactionFlow="false" hostNameComparisonMode="StrongWildcard"
                   maxBufferPoolSize="1048576000" maxReceivedMessageSize="1048576000"
                   messageEncoding="Text" textEncoding="utf-8" 
                   useDefaultWebProxy="true" allowCookies="false">
               <readerQuotas maxDepth="104857600" maxStringContentLength="104857600" 
                             maxArrayLength="104857600" maxBytesPerRead="1048576000" 
                             maxNameTableCharCount="104857600" />
               <reliableSession ordered="true" inactivityTimeout="00:10:00"
                                enabled="false" />
               <security mode="TransportWithMessageCredential">
                   <transport clientCredentialType="Windows" 
                              proxyCredentialType="None" realm="" />
                   <message clientCredentialType="Windows" 
                            negotiateServiceCredential="true" algorithmSuite="Default" 
                            establishSecurityContext="true" />
               </security>
            </binding>
        </wsHttpBinding>
   </bindings>
   <client>
       <endpoint name="WSHttpBinding_IService11"
           address="http://abc.com/API/serv.svc"
           binding="wsHttpBinding" 
           bindingConfiguration="WSHttpBinding_IService11"
           contract="SmartConnectRepublic.IService1" >
           <identity>
               <dns value="localhost" />
           </identity>
       </endpoint>
       <endpoint name="BasicHttpBinding_IService1" 
           address="http://localhost:4649/Service1.svc" 
           binding="basicHttpBinding"
           bindingConfiguration="wcfSmartConnect" 
           contract="SmartConnect.IService1" />
   </client>
</system.serviceModel>