public ActionResult ListAjax(CustomerListModel model, CustomerListPagingFilteringModel command)
        {
            command.PageSize = 15;
            if (command.PageNumber <= 0)
                command.PageNumber = 1;

            //fiter customer
            var customers = _customerService.GetAllCustomers(pageIndex: command.PageNumber - 1,
                pageSize: command.PageSize);

            model.Customers = customers;
            model.PagingFilteringContext.LoadPagedList(customers);
            return PartialView(model);
        }
 public ActionResult List(CustomerListModel model)
 {
     if (null == model)
         model = new CustomerListModel();
     var roles = _customerService.GetAllCustomerRoles();
     model.AvailableRoles = roles.ToSelectItems();
     model.AvailableRoles.Insert(0, new SelectListItem() { Text = "请选择", Value = "0" });
     return View(model);
 }