ASP.NET MVC Enum Drop-Down List

HtmlHelperEnumExtensions.cs

using System.Web.Mvc;
using System.Web.Mvc.Html;

public static class HtmlHelperEnumExtensions
{

    public static IHtmlString EnumDropDownListFor<TModel, TEnum>(this HtmlHelper<TModel> helper, Expression<Func<TModel, TEnum>> field, TEnum selectedValue = default(TEnum))
        where TEnum : struct
    {
        var name = (field.Body as MemberExpression).Member.Name;
        return EnumDropDownList(helper, name, selectedValue);
    }

    public static IHtmlString EnumDropDownList<TEnum>(this HtmlHelper helper, string name, TEnum selectedValue = default(TEnum))
        where TEnum :struct
    {
        var selectListItems =
            from Enum enumVal in Enum.GetValues(typeof (TEnum))
            let value = enumVal.ToString()
            where value != "Unknown"
            let enumName = Enum.GetName(typeof (TEnum), enumVal)
            let selected = ((object)enumVal) == (object)selectedValue
            select new SelectListItem { Text = enumName, Value = value };

        return helper.DropDownList(name, selectListItems);
    }

}