将aj中的DATA存储到JSON变量以供以后使用

I wrote this Controller:

我写了这个控制器：

[HttpGet]
    public JsonResult GetAllCustomer()
    {
        CustomerList customer_list = new CustomerList();
        customer_list.Fill();
        using (DataTable dt = customer_list.Data)
        {
            customer_list = null;
            return Json(Utilities.GetTableRows(dt), JsonRequestBehavior.AllowGet);
        }
    }
[HttpGet