public ActionResult FindCustomer()
 {
     //List<Customer> customers = new List<Customer>();
     //Customer c = new Customer();
     CustomerModel customerModel = new CustomerModel();
     return View(customerModel);
 }
        public ActionResult FindCustomer(CustomerModel c)
        {
            List<Customer> customers;
            using (NorthwindConnection db = new NorthwindConnection())
            {
                if (c.Customer.CompanyName != null && c.Customer.City != null)
                {
                    customers =
                        db.Customers.Where(x => x.CompanyName.Contains(c.Customer.CompanyName) && x.City == c.Customer.City).ToList();
                }
                else if (c.Customer.CompanyName != null)
                {
                    customers = db.Customers.Where(x => x.CompanyName.Contains(c.Customer.CompanyName)).ToList();
                }
                else
                {
                    customers = db.Customers.Where(x => x.City == c.Customer.City).ToList();
                }
            }

            CustomerModel cm = new CustomerModel();
            cm.Customers = customers;
            return View(cm);
        }