using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

using System.Text;

​

using System.Text.Json;

using System.Text.Json.Serialization;

using System.Text.Json.Serialization.Metadata;

using System.Text.Json.Nodes;

​

using NUnit.Framework; // Throws NUnit.Framework.AssertionException

​

#nullable enable

​

//https://stackoverflow.com/questions/76263968/c-sharp-parse-byte-to-json-without-converting-to-base64-string

​

    public class MyModel

    {

        public int Id { get; set; }

        public IEnumerable<byte>? Data { get; set; }

    }

​

    class TestClass

    {

        public static void Test()

        {

            var options = new JsonSerializerOptions { };

            MyModel myObject = new MyModel

            {

                Id = 1,                

                Data = new byte[] { 0x01, 0x02, 0x03 }

            };

            string json = JsonSerializer.Serialize(myObject, options);

            Console.WriteLine(json);

        }   

    }

​

    public class Program

    {

        public static void Main()

        {

            Console.WriteLine("Environment version: {0} ({1}), {2}", System.Runtime.InteropServices.RuntimeInformation.FrameworkDescription , Environment.Version, Environment.OSVersion);

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

            Console.WriteLine();

​

            try

            {

                TestClass.Test();

            }

            catch (Exception ex)

            {

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

                Console.WriteLine(ex);

                throw;

            }

        }

    }

​