using System.Net;

using System;

using JsonDiffer;

using Microsoft.Azure.Storage;

using Microsoft.Azure.Storage.File;

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using System;

using System.Collections.Generic;

using System.Configuration;

​

using System.Data;

using System.IO;

using System.Linq;

using System.Net;

using System.Net.Http;

using System.Net.Mail;

using System.Text;

using System.Threading.Tasks;

​

public class Program

{

    public static void Main(string[] args)

    {

        string IFA2Data = "{\"\"parameters\"\":{\"\"busDay\"\":\"\"2020-06-11T22:00:00.000Z\"\",\"\"icId\"\":403,\"\"icName\"\":\"\"Nemo Link\"\",\"\"nomTypeIds\"\":[405,406,407],\"\"nomTypes\"\":[{\"\"id\"\":405,\"\"name\"\":\"\"Long-term\"\",\"\"businessType\"\":\"\"A06\"\",\"\"isNominationType\"\":\"\"yes\"\",\"\"nominationTypeGroup\"\":\"\"commercial\"\",\"\"isTransmissionRightsType\"\":\"\"yes\"\",\"\"transmissionRightsContractType\"\":\"\"A06\"\",\"\"order\"\":1,\"\"code\"\":\"\"longTerm\"\",\"\"validFrom\"\":\"\"2019-01-01\"\",\"\"validTo\"\":\"\"2050-12-31\"\"},{\"\"id\"\":406,\"\"name\"\":\"\"Daily\"\",\"\"businessType\"\":\"\"A01\"\",\"\"isNominationType\"\":\"\"yes\"\",\"\"nominationTypeGroup\"\":\"\"commercial\"\",\"\"isTransmissionRightsType\"\":\"\"yes\"\",\"\"transmissionRightsContractType\"\":\"\"A01\"\",\"\"order\"\":2,\"\"code\"\":\"\"daily\"\",\"\"validFrom\"\":\"\"2019-01-01\"\",\"\"validTo\"\":\"\"2050-12-31\"\"},{\"\"id\"\":407,\"\"name\"\":\"\"Intraday\"\",\"\"businessType\"\":\"\"A07\"\",\"\"isNominationType\"\":\"\"yes\"\",\"\"nominationTypeGroup\"\":\"\"commercial\"\",\"\"isTransmissionRightsType\"\":\"\"yes\"\",\"\"transmissionRightsContractType\"\":\"\"A07\"\",\"\"order\"\":3,\"\"code\"\":\"\"intraday\"\",\"\"validFrom\"\":\"\"2019-01-01\"\",\"\"validTo\"\":\"\"2050-12-31\"\"}]}}";

        dynamic jsonObj = Newtonsoft.Json.JsonConvert.DeserializeObject(IFA2Data);

        String strjson = JsonConvert.SerializeObject(jsonObj);

        Uri site = new Uri("https://rnp.unicorn.com/NOM04");

        HttpWebRequest request = (HttpWebRequest)WebRequest.Create(site);

        CookieContainer cookies = new CookieContainer();

        request.CookieContainer = cookies;

​

        //Print out the number of cookies before the response (of course it will be blank)

        //Console.WriteLine(cookies.GetCookieHeader(site));

        //Console.WriteLine("Here");

​

        //Get the response and print out the cookies again 

        using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())

        {

            //Console.WriteLine(cookies.GetCookieHeader(site));

            cookies.GetCookies(site);

            //Console.WriteLine("Here!");

        }

        HttpWebRequest request2 = (HttpWebRequest)WebRequest.Create(site);

        request2.CookieContainer = cookies;

        request2.Method = "POST";

        request2.ContentType = "application/json";

        request2.ContentLength = strjson.Length;

        using (Stream webStream = request.GetRequestStream())

            using (StreamWriter requestWriter = new StreamWriter(webStream, System.Text.Encoding.ASCII))

            {

                requestWriter.Write(strjson);

            }

        WebResponse webResponse = request2.GetResponse();

    }

}