using System;

using System.Collections.Generic;

using System.Linq;

​

namespace ConsoleApplication1

{

    public enum MembershipType

    {

        General,

        Silver,

        Golden

    }

​

    public class MembershipTypeInfo

    {

        public MembershipType Id { get; set; }

        public string Name { get; set; }

    }

​

​

    public class Program

    {

        public static void Main(string[] args)

        {

            var membershipTypes1 = GetMembershipTypes_HardCoded();

            foreach (var t in membershipTypes1)

            {

                Console.WriteLine("{0}, {1}", (int)t.Id, t.Name);

            }

​

            var membershipTypes2 = GetMembershipTypes_Better();

            foreach (var t in membershipTypes2)

            {

                Console.WriteLine("{0}, {1}", (int)t.Id, t.Name);

            }

​

            var membershipTypes3 = GetMembershipTypes_Dictionary();

            foreach (var t in membershipTypes3)

            {

                Console.WriteLine("{0}, {1}", t.Key, t.Value);

            }

        }

​

​

        public static MembershipTypeInfo[] GetMembershipTypes_HardCoded()

        {         

            return new[]

            {

                new MembershipTypeInfo() { Id = MembershipType.General, Name = MembershipType.General.ToString() },

                new MembershipTypeInfo() { Id = MembershipType.Silver, Name = MembershipType.Silver.ToString() },

                new MembershipTypeInfo() { Id = MembershipType.Golden, Name = MembershipType.Golden.ToString() },

            };

        }

​

​

        public static MembershipTypeInfo[] GetMembershipTypes_Better()

        {

            var values = Enum.GetValues(typeof(MembershipType)).Cast<MembershipType>().ToArray();

​

            var query = from value in values

                        select new MembershipTypeInfo

                        {

                            Id = value,

                            Name = value.ToString()

                        };

            return query.ToArray();

        }

​

        public static Dictionary<int, string> GetMembershipTypes_Dictionary()

        {

            var values = Enum.GetValues(typeof(MembershipType)).Cast<MembershipType>().ToArray();

            var query = from value in values

                        select new

                        {

                            Id = (int)value,

                            Name = value.ToString()

                        };

            return query.ToDictionary(x => x.Id, x => x.Name);

        }

​

    }

}

​