// GET: api/CustomerService
        public CustomerGetListResult Get()
        {
            long fromCustomer = 0;
            long toCustomer   = long.MaxValue;
            var  range        = Request.Headers.Range;

            if (range != null)
            {
                fromCustomer = range.Ranges.First().From.Value;
                toCustomer   = range.Ranges.First().To.Value;
            }

            var customerList =
                CustomerTable.Skip((int)fromCustomer).Take((int)toCustomer - (int)fromCustomer + 1).ToList();

            return(new CustomerGetListResult(Request, customerList, fromCustomer,
                                             fromCustomer + customerList.Count() - 1, CustomerTable.Count()));
        }