public ActionResult CreateCustomer([Bind(Include = "CustomerId, CustomerName,Phone,Address")] Customer customer)
 {
     try
     {
         if (customer.CustomerName == "ABC")
         {
             ModelState.AddModelError("CustomerName", "Customer Name can not be ABC");
         }
         if (ModelState.IsValid)
         {
             CustomerBIZ custBiz = new CustomerBIZ();
             custBiz.AddNewCustomer(customer);
             return(Json(new { success = true }));
         }
     }
     catch (Exception ex)
     {
         Response.Write(ex.Message);
     }
     return(PartialView(customer));
 }