// GET: Customer
        public ActionResult Index()
        {
            IEnumerable <Customer>          customers = Repo.GetCustomers();
            IEnumerable <CustomerViewModel> items     = customers.Select(x => new CustomerViewModel
            {
                CustomerId = x.CustomerId,
                LocationId = x.LocationId,
                Address    = $"{x.Address}, {x.City}, {x.State}, {x.Country}",
                FirstName  = x.FirstName,
                LastName   = x.LastName,
            });

            return(View(items));
        }