using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Reflection;

​

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using Newtonsoft.Json.Converters;

using Newtonsoft.Json.Serialization;    

​

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

​

//https://stackoverflow.com/questions/77642112/jsonconvert-deserializeobject-not-automatically-deserialising-string-to-int

​

    public class CustmObj

    {

       [JsonProperty("fileNumber")]

       public uint FileNumber { get; set; }

    }

​

    public class CustmObjInt

    {

       [JsonProperty("fileNumber")]

       public int FileNumber { get; set; }

    }

​

    class TestClass

    {

        public static void Test()

        {

            var json = """{"fileNumber": "1"}""";

            var intObj = JsonConvert.DeserializeObject<CustmObjInt>(json);

            intObj.Dump();

            var jFile = JsonConvert.DeserializeObject<CustmObj>(json);

            jFile.Dump();

        }   

    }

​

    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("{0} version: {1}", typeof(JsonSerializer).Namespace, typeof(JsonSerializer).Assembly.FullName);

            Console.WriteLine();

​

            try

            {

                TestClass.Test();

            }

            catch (Exception ex)

            {

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

                Console.WriteLine(ex);

                throw;

            }

        }

    }

​