Enum Display Name'ini çekme

using System;
using System.ComponentModel.DataAnnotations;
using System.Reflection;

public static class EnumExtensions
{
    public static string GetDisplayName(this Enum enu)
    {
        var attr = GetDisplayAttribute(enu);
        return attr != null ? attr.Name : enu.ToString();
    }

    public static string GetDescription(this Enum enu)
    {
        var attr = GetDisplayAttribute(enu);
        return attr != null ? attr.Description : enu.ToString();
    }

    private static DisplayAttribute GetDisplayAttribute(object value)
    {
        Type type = value.GetType();
        if (!type.IsEnum)
        {
            throw new ArgumentException(string.Format("Type {0} is not an enum", type));
        }

        // Get the enum field.
        var field = type.GetField(value.ToString());
        return field == null ? null : field.GetCustomAttribute<DisplayAttribute>();
    }
}