asp.net mvc 3 - JSON object passing back to view from controller in a mix application of MVC2 and MVC3 -

to give background, application mix application containing both aspx , razorview engine. have controller extension class,

public static class controllerextensions     {         public static viewresult razorview(this controller controller)         {             return razorview(controller, null, null);         }          public static viewresult razorview(this controller controller, object model)         {             return razorview(controller, null, model);         }          public static viewresult razorview(this controller controller, string viewname)         {             return razorview(controller, viewname, null);         }          public static viewresult razorview(this controller controller, string viewname, object model)         {             if (model != null)                 controller.viewdata.model = model;              controller.viewbag._viewname = getviewname(controller, viewname);              return new viewresult             {                 viewname = "razorview",                 viewdata = controller.viewdata,                 tempdata = controller.tempdata             };         }          static string getviewname(controller controller, string viewname)         {             return !string.isnullorempty(viewname)                 ? viewname                 : controller.routedata.getrequiredstring("action");         }     } 

now controller need pass json object view.

i using piece of code form controller ,

     return this.razorview (json(new             {                 secho = param.secho,                 itotalrecords = data.summary.count,                 itotaldisplayrecords = data.summary.count,                    aadata = data.summary.tolist()             }, jsonrequestbehavior.allowget));  errors out mentioning  model item passed dictionary of type 'system.web.mvc.jsonresult', dictionary requires model item of type 'system.collections.generic.list` 

please advise how can pass json object view ?