using Newtonsoft.Json;

using System;

using System.Collections.Generic;

using System.ComponentModel.DataAnnotations;

using System.Reflection;

using System.Linq;

​

public enum TCountryNames

    {

        [Display(Name = "America")]

        cnUSA = 1,

        [Display(Name = "England")]

        cnUK,

        [Display(Name = "CHINA")]

        cnCHN

    }

    public class EnumData

    {

        public int Id { get; set; }

        public string? Name { get; set; }

        public override string ToString() {

            return "Id: " + Id + "\t" + "Name: " + Name;

        }

    }

​

    public class MyClass

    {

        public static void Main(string[] args)

        {

            var list = new List<EnumData>();

            foreach (var e in Enum.GetValues(typeof(TCountryNames)))

            {

                list.Add(new EnumData

                { 

                    Id = (int)e, 

                    Name = e.GetType()

                        .GetMember(e.ToString())

                        .First()?

                        .GetCustomAttribute<DisplayAttribute>()?

                        .GetName()

                });

            }

            foreach (var e in list)

            {

                Console.WriteLine(e);

            }

        }

    }