控制器中返回两个json对象的方法

Public JsonResult GetDetails()
{ 
  List<Cust> Customers = new List<Cust>();
  Customers = GetCustomerDetails();
  var name = Customers.Select(e => new{e.custname}).Distinct().ToList();
  var dept =  Customers.Select(e => new{e.deptname}).Distinct().ToList();
  var response = new{CustomerNames = name, CustomerDepartments = dept};
  return Json(response, JsonRequestBehaviour.AllowGet();
}
Public JsonResult GetDetails()
{ 
  List<Cust>