using System;

using ExcelDataReader;

using System.Collections.Generic;

using System.Data;

using System.IO;

using System.Linq;

using System.Net;

using Newtonsoft.Json;

​

public class Program

{

    public static void Main()

    {

        using (var client = new WebClient())

            {

                var file= client.DownloadData("https://devhow.net/wp-content/uploads/2018/11/SampleExcelData.xlsx");

                var excelContent= ParseExcel(new MemoryStream(file));

                string json= JsonConvert.SerializeObject(excelContent);

                Console.Write(json);

​

            }

    }

     public static IEnumerable<Dictionary<string, object>> ParseExcel(Stream document)