using System;

using System.ComponentModel.DataAnnotations;

using System.Web.Mvc;

using System.Linq;

​

namespace HelloWorldMvcApp

{

    public class Patient

    {

        public enum PaymentType

        {

            Self = 1,

            Insurer = 2,

            PrivateCompany = 3

        }

​

        public PaymentType PaymentTypeSelected

        {

            get;

            set;

        }

    }

​

    public static class MyExtensions

    {

        public static SelectList ToSelectList<TEnum>(this TEnum obj) 

            where TEnum : struct, IComparable, IFormattable, IConvertible // correct one

        {

            var items = Enum.GetValues(typeof (TEnum))

                    .OfType<Enum>()

                    .Select(x => new { Text = x.ToString() })

                    .Select(x => new SelectListItem

                    {

                        Text = x.Text, 

                        Value = x.Text

                    });

            return new SelectList(items, "Value", "Text");

        }

    }

}