public ActionResult Create(CustomerInformation customer)
 {
     try
     {
         repository.Insert(customer);
         return RedirectToAction("Index");
     }
     catch
     {
         return View();
     }
 }
 public ActionResult Edit(CustomerInformation customer)
 {
     try
     {
         repository.Update(customer);
         return RedirectToAction("Index");
     }
     catch
     {
         return View();
     }
 }