[DataContract]
    public class cCurrency
    {
        private string _iso;
        private string _description;

        [DataMember(IsRequired = true)]
        public string Iso
        {
            get { return _iso; }
            set { _iso = value; }
        }

        [DataMember(IsRequired = true)]
        public string Description
        {
            get { return _description; }
            set { _description = value; }
        }
    }

    [DataContract]
    public class cCurrency2
    {
        private string _iso;

        [DataMember(IsRequired = true)]
        public string Iso
        {
            get { return _iso; }
            set { _iso = value; }
        }
    }