using System;

using System.Collections.Generic;

using System.Text.Json;

using System.Text.Json.Serialization;

​

namespace Test

{

    public class Data

    {

        public int Id { get; set; }

​

        public object Name { get; set; }

        public override string ToString()

        {

            return $"Id = {Id}, Name = {Name}, NameType = {Name.GetType().Name}";

        }

    }

​

    public class MyCustomConverter : JsonConverter<Data>

    {

        public override Data Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)

        {

            if (reader.TokenType != JsonTokenType.StartObject)

            {

                throw new JsonException();

            }

​

            var data = new Data();

​

            while (reader.Read())

            {

                if (reader.TokenType == JsonTokenType.EndObject)

                {

                    return data;

                }

​

                if (reader.TokenType == JsonTokenType.PropertyName)

                {

                    string propertyName = reader.GetString();

                    reader.Read();

                    switch (propertyName)

                    {

                        case "Id":

                            data.Id = reader.GetInt32();

                            break;

                        case "Name":

                            if (reader.TokenType == JsonTokenType.Number)

                            {

                                data.Name = reader.GetInt32();

                            }

                            else if (reader.TokenType == JsonTokenType.String)

                            {

                                data.Name = reader.GetString();

                            }

                            break;

                    }

                }

​

            }

            throw new JsonException();

        }

​

        public override void Write(Utf8JsonWriter writer, Data value, JsonSerializerOptions options)

        {

            writer.WriteStringValue(value.ToString());

        }

    }

​

    public class Program

    {

        public static void Main()

        {

​

            string test = "[{\"Id\":86,\"Name\":\"test\"},{\"Id\":87,\"Name\":100}]";

​

            var serializeOptions = new JsonSerializerOptions();

            serializeOptions.Converters.Add(new MyCustomConverter());

​

            var data = JsonSerializer.Deserialize<List<Data>>(test, serializeOptions);

​

            foreach (var item in data)

            {

                Console.WriteLine(item);

            }

        }

    }

}

​