using System;

using System.ComponentModel.DataAnnotations;

using System.Linq;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Value: " + ETypes.Apple);

        Console.WriteLine(ETypes.Apple.GetEnumName());

        Console.WriteLine(ETypes.Apple.GetEnumDescription());

        Console.WriteLine(ETypes.Apple.GetEnumDescription());

    }

}

​

    /// <summary>

    /// The EStatus.

    /// </summary>

public enum ETypes {

        /// <summary>

        /// The Apple

        /// </summary>

        [Display(Name = "SMTP", Description = "Simple Mail Transfer Protocol")]

    Apple = 1,

        /// <summary>

        /// The Banana

        /// </summary>

        [Display(Name = "SMTP/POP3", Description = "Post Office Protocol 3")]

    Banana = 2

}

​

public static class EnumExt {

        private static TAttribute GetAttribute<TAttribute>(Enum e) where TAttribute : Attribute

        {

            var type = e.GetType();

            var name = Enum.GetName(type, e);

            if (name != null)

            {

                return type.GetField(name)

                    .GetCustomAttributes(false)

                    .OfType<TAttribute>()

                    .SingleOrDefault();

            }

​

            return null;

        }

​

        private static DisplayAttribute GetEnumAttribute(this Enum e) => GetAttribute<DisplayAttribute>(e);

​

        public static string GetEnumName(this Enum e)

        {

            string returnValue;

            try

            {

                var attribute = GetEnumAttribute(e);

                returnValue = attribute != null ? attribute.Name : string.Empty;

            }

            catch (Exception ex)

            {

                var message =

                    $"Could not read the 'Name' in the 'Display' attribute from the enum type '{e.GetType().Name}'. Please provide a name for the value '{e}'.";

                throw new Exception(message, ex);

            }

            return returnValue;

        }   

        public static string GetEnumDescription(this Enum e)

        {

            string returnValue;

            try

            {

                var attribute = GetEnumAttribute(e);

                returnValue = attribute.Description;

            }

            catch (Exception ex)

            {

                var message =

                    $"Could not read the 'Description' in the 'Display' attribute from the enum type '{e.GetType().Name}'. Please provide a description for the value '{e}'.";

                throw new Exception(message, ex);

            }

​

            return returnValue;

        }

​

        /// <summary>

        ///     Gets the enum display.

        /// </summary>

        /// <param name="e">The e.</param>

        /// <returns></returns>

        public static string GetEnumDisplay(this Enum e)

        {

            var returnValue = e.ToString();

            try

            {

                var attr = GetAttribute<DisplayAttribute>(e);

                if (null != attr) returnValue = attr.GetName();

            }

            catch (Exception ex)

            {

            Console.WriteLine(ex.Message);

            }

​

            return returnValue;

        }

}