FT.DB.LawExtensions.UrlValue C# (CSharp) Метод

        public static string UrlValue(this LawStage s)
        {
            switch (s)
            {
                case LawStage.First: return 1.ToString();
                case LawStage.Second: return 2.ToString();
                case LawStage.Third: return 3.ToString();
                default: throw new ArgumentException();
            }
        }