enum description value to dropdownlist

I am new to C# and I have a question,

I have a a enum something like

   public enum
        {
    [Description("1,2,3")]
    123,
    [Description("3,4,5")]
    345,
    [Description("6,7,8 ")]
    678,
       }

Now I want the enum descriptions to bind to a dropdownlist.. can some one help me..

thanks in advance!

PS: I am sorry if I am not clear..Let me know if I need to be more specific