HI,

I am trying to access the EWS through SOAP in Windows Phone 8.1 App. As the EWS Managed API is not supported in Phone App, I tried using HTTPWebRequest.

I tried sample code in a Command Application as it works, but the same code doesn't work in Windows App. Below are both sample codes -

Command Application code that works

public bool Request(string URL, string RequestXML, NetworkCredential UserCredentials)

        {

            HttpWebRequest SoapRequest = (HttpWebRequest)WebRequest.Create(URL);

            StreamWriter RequestWriter=null;

            Stream ResponseStream=null;

            HttpWebResponse SoapResponse=null;

            try

            {

                SoapRequest.AllowAutoRedirect = false;

                SoapRequest.Credentials = UserCredentials;

                SoapRequest.Method = "POST";

                SoapRequest.ContentType = "text/xml";

                RequestWriter = new StreamWriter(SoapRequest.GetRequestStream());

                RequestWriter.Write(RequestXML);

                RequestWriter.Close();

                SoapResponse = (HttpWebResponse)SoapRequest.GetResponse();

                if (SoapResponse.StatusCode == HttpStatusCode.OK)

                {

                    ResponseStream = SoapResponse.GetResponseStream();

                    ResponseEnvelop = XElement.Load(ResponseStream);

                    return true;

                }

                else

                {

                    return false;

                }

            }

            catch(Exception ex)

            {

                ResponseEnvelop = null;

                return false;

                throw ex;

            }

            finally

            {

                SoapRequest = null;

                RequestWriter.Dispose();

                RequestWriter = null;

                ResponseStream.Dispose();

                ResponseStream = null;

                SoapResponse.Dispose();

                SoapResponse = null;

            }

        }

-------------

Windows Phone App Code

However some methods are not available in Windows App, so tried below code. There are no compile errors but I receive error "Method not supported". I am trying from weeks but no luck, wondering is some help is available

public async Task<bool> Request(string URL, string RequestXML, NetworkCredential UserCredentials)

        {

            HttpWebRequest SoapRequest = (HttpWebRequest)WebRequest.Create(URL);

            StreamWriter RequestWriter = null;

            Stream ResponseStream = null;

            WebResponse SoapResponse = null;

            try

            {

                SoapRequest.Credentials = UserCredentials;

                SoapRequest.Method = "POST";

                SoapRequest.ContentType = "text/xml";

                RequestWriter = new StreamWriter(await System.Threading.Tasks.Task<Stream>.Run(() => SoapRequest.GetRequestStreamAsync()));

                RequestWriter.AutoFlush = true;

                RequestWriter.Write(RequestXML);

                SoapResponse = await System.Threading.Tasks.Task<Stream>.Run(() => SoapRequest.GetResponseAsync());

                ResponseStream = SoapResponse.GetResponseStream();

                ResponseEnvelop = XElement.Load(ResponseStream);

                return true;

            }

Appreciate some quick help

Thanks,

Nasir