public List <Customer> CurrentCustomers(bool active)
        {
            List <Customer> customers = null;

            try
            {
                customers = CustomerAccessor.RetrieveCurrentCustomers(true);
            }
            catch (Exception ex)
            {
                throw new ApplicationException("An error occurred loading current customers list" + ex.StackTrace);
            }

            return(customers);
        }
        public List <Customer> CurrentCustomersList()
        {
            List <Customer> customers = null;

            try
            {
                customers = CustomerAccessor.RetrieveCurrentCustomers(true);
            }
            catch (Exception ex)
            {
                throw new ApplicationException("A problem occurred loading this list of current customers" + ex.Message);
            }

            return(customers);
        }