public IEnumerable<Port_Trans> Get(string portfolioNumber, string transType)
        {
            IEnumerable<Port_Trans> transactions = null;
            PortTransRepository repository = null;

            try
            {
                repository = new PortTransRepository();
                transactions = repository.GetAll().Where(record => record.TransType == transType && record.Portfolio_ == portfolioNumber).ToList<Port_Trans>();
            }
            catch (Exception ex)
            {
            }
            return transactions;
        }