Web Service Integration

Question

I have these code to call the service, where i have attached the certificate also. but in response i am getting the error as

 

The request was aborted: Could not create SSL/TLS secure channel.

 

can anyone help me catch the error

 

public static HttpWebRequest req = null;

public static HttpWebResponse res = null;

public static string SendRequest(string RequestXml, string SoapAction, ref string SessionId)

{

string Proxy = "https://ines.margento.com:48728/?wsdl";

//string NetworkUserName = ConfigurationManager.AppSettings["NetworkUserName"];

//string NetworkPassword = ConfigurationManager.AppSettings["NetworkPassword"];

//X509Certificate cert = X509Certificate.CreateFromCertFile("D:/NeqatyWS-20160628_doc_samples_updated/NeqatyWS/Certificates/ServerVerification/NeqatyWS-cert-pem.crt","tralala");

X509Certificate2 cert = new X509Certificate2("D:/NeqatyWS-20160628_doc_samples_updated/NeqatyWS/Certificates/ServerVerification/NeqatyWS-cert.der", "tralala");

bool signout = false;

if (SoapAction.IndexOf("SignOut") != -1)

signout = true;

ServicePointManager.Expect100Continue = true;

ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;

req = (HttpWebRequest)System.Net.WebRequest.Create("https://ines.margento.com:48728/?wsdl");

req.Timeout = 600000;

req.Headers.Add("SOAPAction", SoapAction);

req.ContentType = "text/xml; charset=utf-8";

req.KeepAlive = false;

req.Method = "POST";

req.ClientCertificates.Add(cert);

req.ProtocolVersion = HttpVersion.Version10;

req.PreAuthenticate = true;

//we add the SessionId to headers if we received before.

if (!String.IsNullOrEmpty(SessionId))

req.Headers.Add("Cookie", SessionId);

//WebProxy myProxy = new WebProxy(Proxy, true);

//myProxy.Credentials = new NetworkCredential(NetworkUserName, NetworkPassword);

//req.Proxy = myProxy;

Stream reqStr = req.GetRequestStream();

StreamWriter sw = new StreamWriter(reqStr);

sw.Write(RequestXml);

sw.Close();

string strResult = "";

try

{

res = (HttpWebResponse)req.GetResponse();

Stream resStr = res.GetResponseStream();

StreamReader sr = new StreamReader(resStr);

strResult = sr.ReadToEnd();

sr.Close();

//Receive the SessionId from Headers.

if (!String.IsNullOrEmpty(res.Headers["Set-Cookie"]))

SessionId = res.Headers["Set-Cookie"];

res.Close();

}

catch (WebException ex)

{

string errMessage = ex.Message;

strResult = errMessage;

if (ex.Response != null)

{

System.IO.Stream resStr = ex.Response.GetResponseStream();

System.IO.StreamReader sr = new System.IO.StreamReader(resStr);

string soapResponse = sr.ReadToEnd();

sr.Close();

resStr.Close();

errMessage += Environment.NewLine + soapResponse;

strResult = errMessage;

ex.Response.Close();

}

}

if (signout)

SessionId = "";

return strResult;

}

}