internal CustomerDetailsData GetCustomerData(string ssn)
        {
            CustomerDetailsData x = context.Customers
                                    .Where(c => c.Ssn == ssn)
                                    .Select(c => new CustomerDetailsData
            {
                CustomerId = c.CustomerId,
                FirstName  = c.FirstName,
                LastName   = c.LastName,
                Ssn        = c.Ssn,
                Success    = true
            }).SingleOrDefault();

            if (x == null)
            {
                CustomerDetailsData y = new CustomerDetailsData
                {
                    Success = false
                };
                return(y);
            }
            return(x);
        }
        public IActionResult GetCustomer([FromBody] CustomerSsnData dataModel)
        {
            CustomerDetailsData x = service.GetCustomerData(dataModel.Ssn);

            return(Json(x));
        }