using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Runtime.Serialization.Formatters;

using System.IO;

using System.Data;

using System.ComponentModel.DataAnnotations;

using System.Globalization;

using System.Net;

​

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using Newtonsoft.Json.Converters;

using Newtonsoft.Json.Serialization;    

​

// https://stackoverflow.com/questions/47886361/c-sharp-parsing-json-array-and-picking-values

​

    public class Datum

    {

        public long time { get; set; }

        public decimal close { get; set; }

        public decimal high { get; set; }

        public decimal low { get; set; }

        public decimal open { get; set; }

        public double volumefrom { get; set; }

        public double volumeto { get; set; }

    }

    public class ConversionType

    {

        public string type { get; set; }

        public string conversionSymbol { get; set; }

    }

    public class RootObject

    {

        public string Response { get; set; }

        public int Type { get; set; }

        public bool Aggregated { get; set; }

        public List<Datum> Data { get; set; }

        public long TimeTo { get; set; }

        public long TimeFrom { get; set; }

        public bool FirstValueInArray { get; set; }

        public ConversionType ConversionType { get; set; }

    }

​

    class TestClass

    {

        public static void Test()

        {

            const string url = @"https://min-api.cryptocompare.com/data/histominute?fsym=BTC&tsym=USD&limit=30&aggregate=3&e=Kraken";

            var client = new WebClient();

            var content = client.DownloadString(url);       

            var root = JsonConvert.DeserializeObject<RootObject>(content);

            var results = root.Data;

            var Time1 = (results[1].time);

            var Close1 = (results[1].close);

            Console.WriteLine("results[1].time={0}, results[1].close={1}", Time1, Close1);

            Console.WriteLine("\nOriginal JSON: ");

            Console.WriteLine(JToken.Parse(content));

        }

    }

​

​

    public class Program

    {

        public static void Main()

        {

            Console.WriteLine("Environment version: " + Environment.Version);

            Console.WriteLine("Json.NET version: " + typeof(JsonSerializer).Assembly.FullName);

            Console.WriteLine();

​

            try

            {

                TestClass.Test();

            }

            catch (Exception ex)

            {

                Console.WriteLine("Failed with unhandled exception: ");

                Console.WriteLine(ex);

                throw;

            }

        }

    }

​

    public class AssertionFailedException : System.Exception

    {

        public AssertionFailedException() : base() { }

​

        public AssertionFailedException(string s) : base(s) { }

    }

​

    public static class Assert

    {

        public static void IsTrue(bool value)

        {

            IsTrue(value, "failed");

        }

​

        public static void IsTrue(bool value, string message)

        {

            if (value == false)

                throw new AssertionFailedException(message ?? "failed");

        }

    }

​