public string GetSS(string CodCon, decimal? IdeInf)
        {
            CGContratistaBLL o = new CGContratistaBLL();

            string username = Usuario.UserName;
            return ByAUtil.convertListToXML(o.GetSS(CodCon, IdeInf));
        }
        public List<vINT_PAGOSST> GetSS(string CodCon, decimal? IdeInf)
        {
            CGContratistaBLL o = new CGContratistaBLL();

            string username = Usuario.UserName;
            return o.GetSS(CodCon, IdeInf);
        }