CoreSpider - Export Excel in ASP .NET MVC - Controller

CustomerController.cs

 public ActionResult Index()
        {
            return View(GetCustomer());
        }
        public dynamic GetCustomer()
        {
            return new List<Customer>()
            {
                new Customer{ CustomerId=001, CustomerName="John Smith", CustomerAddress="USA", CustomerMobile="7854378560" },
                new Customer{ CustomerId=002, CustomerName="Lori orona", CustomerAddress="UK", CustomerMobile="3484767830" },
                new Customer{ CustomerId=003, CustomerName="Aakash Singh", CustomerAddress="India", CustomerMobile="6484789045" },
                new Customer{ CustomerId=004, CustomerName="Alex Hex", CustomerAddress="Finland", CustomerMobile="2746789045" },
                new Customer{ CustomerId=005, CustomerName="Albie Michell", CustomerAddress="USA", CustomerMobile="7643897640" },
            };
        }