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AX 2012 R3 Custom DLL .NET

Hi,

We use AX 2012 R3 for a while. We want to use .NET DLL in our system to interact with third-party systems. X++ doesn't allow certain operartion but .NET looks like fine. I am new in this part of DLL so I started to TEST how to do the whole process. For this purpose I implemented and easy JsonManager to Serialize / unserialize data. Here the example below. I taked the DLL and I copied to the bin directory in the client side. I imported from the AOT (referenced). I make a test via job using x++. The execution failed when I called JSONManager::SerializeObjectToJson or JSONManager::DeserializeJsonToObject. I don't know if it is something I have to add to the C# code or I need to compile with a certain .NET version or I need to sign it. Or it is something I did wrong in X++. thank you

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using Newtonsoft.Json;namespace JSON{    public class JSONManager    {        // Serialize an object to JSON        public static string SerializeObjectToJson(object obj)        {            return JsonConvert.SerializeObject(obj);        }        // Deserialize JSON to an object        public static T DeserializeJsonToObject<T>(string json)        {            try            {                return JsonConvert.DeserializeObject<T>(json);            }            catch (JsonReaderException ex)            {                // Handle JSON parsing errors                Console.WriteLine(/Error parsing JSON: {0}/, ex.Message);                return default(T);            }            catch (Exception ex)            {                // Handle other exceptions                Console.WriteLine(/An error occurred: {0}/, ex.Message);                return default(T);            }        }    }}

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