using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using System.Configuration;
using Microsoft.Extensions.Configuration;
using System.IO;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Hosting;
using Newtonsoft.Json; 
using System.Web;

 public ActionResult Json()
        {
            var jsonString = String.Empty;
            using (var inputStream = new StreamReader(HttpContext.Request.InputStream))
            {
                jsonString = inputStream.ReadToEnd();
            }
             return View();
           }