using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

}

​

public static string XmlHttpRequest(string urlString, string xmlContent)

{

    string response = null;

    HttpWebRequest httpWebRequest = null;//Declare an HTTP-specific implementation of the WebRequest class.

    HttpWebResponse httpWebResponse = null;//Declare an HTTP-specific implementation of the WebResponse class

​

    //Creates an HttpWebRequest for the specified URL.

    httpWebRequest = (HttpWebRequest)WebRequest.Create(urlString);

​

    try

    {

        byte[] bytes;

        bytes = System.Text.Encoding.ASCII.GetBytes(xmlContent);

        //Set HttpWebRequest properties

        httpWebRequest.Method = "POST";

        httpWebRequest.ContentLength = bytes.Length;

        httpWebRequest.ContentType = "text/xml; encoding='utf-8'";

​

        using (Stream requestStream = httpWebRequest.GetRequestStream())

        {

            //Writes a sequence of bytes to the current stream 

            requestStream.Write(bytes, 0, bytes.Length);

            requestStream.Close();//Close stream

        }

​

        //Sends the HttpWebRequest, and waits for a response.

        httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();

​

        if (httpWebResponse.StatusCode == HttpStatusCode.OK)

        {

            //Get response stream into StreamReader

            using (Stream responseStream = httpWebResponse.GetResponseStream())

            {

                using (StreamReader reader = new StreamReader(responseStream))

                    response = reader.ReadToEnd();

            }

        }

        httpWebResponse.Close();//Close HttpWebResponse

    }

    catch (WebException we)

    {   //TODO: Add custom exception handling

        throw new Exception(we.Message);

    }

    catch (Exception ex) { throw new Exception(ex.Message); }

    finally

    {

        httpWebResponse.Close();

        //Release objects

        httpWebResponse = null;

        httpWebRequest = null;

    }

    return response;

}

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