Xamarin Implementation of POST request

program.cs

using System;
using System.Net;
using System.Text;
using System.Text.RegularExpressions;




namespace Aduuu
{
	class MainClass
	{
		public static void Main (string[] args)
		{
			
			//POST request
			WebClient wc = new WebClient();
			string baseSiteString = wc.DownloadString("http://damp-sands-2243.herokuapp.com/students");
			string csrfToken = Regex.Match(baseSiteString, "<meta name=\"csrf-token\" content=\"(.*?)\" />").Groups[1].Value;
			string cookie = wc.ResponseHeaders[HttpResponseHeader.SetCookie];
			Console.WriteLine("Token: {0}", csrfToken);
			Console.WriteLine("Cookie: {0}", cookie);

			wc.Headers.Add(HttpRequestHeader.Cookie, cookie);
			wc.Headers.Add(HttpRequestHeader.ContentType, "application/json; charset=utf-8");
			wc.Headers.Add(HttpRequestHeader.Accept, "application/json, text/javascript, */*; q=0.01");
			wc.Headers.Add("X-CSRF-Token", csrfToken);
			wc.Headers.Add("X-Requested-With", "XMLHttpRequest");

			string dataString = @"{""name"":""Meg"",""regi_number"":3800}";
			byte[] dataBytes = Encoding.UTF8.GetBytes(dataString);
			byte[] responseBytes = wc.UploadData(new Uri("https://damp-sands-2243.herokuapp.com/students/"), "POST", dataBytes);
			string responseString = Encoding.UTF8.GetString(responseBytes);
			Console.WriteLine(responseString);

		}
	}
}