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.Reflection;

​

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using Newtonsoft.Json.Converters;

using Newtonsoft.Json.Serialization;    

​

// https://stackoverflow.com/questions/49770045/prevent-serialization-of-created-actionresult/49770670#49770670

​

    public class Item

    {

        public string Id { get; set; }

        public string ItemDescriptions { get; set; }

    }

​

    public class ItemContractResolver: CamelCasePropertyNamesContractResolver

    {

        protected override JsonProperty CreateProperty(MemberInfo member, MemberSerialization memberSerialization)

        {

            var property = base.CreateProperty(member, memberSerialization);

            if (typeof(Item).IsAssignableFrom(property.DeclaringType) 

                && property.UnderlyingName == "ItemDescriptions" /*nameof(Item.ItemDescriptions)*/)

            {

                property.Ignored = true;

            }

            return property;

        }       

    }

​

    class TestClass

    {

        public static void Test()

        {

            var item = new Item

            {

                Id = "my id",

                ItemDescriptions = "should not appear",

            };

            var settings = new JsonSerializerSettings

            {

                ContractResolver = new ItemContractResolver(),

            };

            var json = JsonConvert.SerializeObject(item, settings);

            Console.WriteLine(json);

            Assert.IsTrue(json.IndexOf("ItemDescriptions", StringComparison.OrdinalIgnoreCase) < 0);

        }

    }

​

    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");

        }

    }

​