public ActionResult GetGroupList() { List <Group> getGroupList = new List <Group>(); string message = null; ServerDataManager dataAccess = new ServerDataManager(new ServerConnectVariable(), DBServerProvider.MS_SQL); dataAccess.GetGroupList(out getGroupList, out message); //create dummy data //message = Message.Message_OK; //getGroupList.Add(new Group //{ // Id=0, // ServerConnectId=1, // ConditionQuery="", // Description="test", // GroupName="test group", // Size=10 //}); return(Json(new { data = getGroupList, message = message }, JsonRequestBehavior.AllowGet)); }