How to pass DataSet from One ActionMethod To another????

        public ActionResult Admin(ObjectModel OM)

             {             

              DataSet ds = new DataSet();   

              DB objDB = new DB();    

           //Storing Dataset in model Dataset    

              OM.StoreAllData = objDB.SelectAllDetails(OM.DistrictId);  

           //Need to pass this Dataset into "Show" Method

              return RedirectToAction("show", "Appform",{ ds = OM.StoreAllData });  

           }

                         public ActionResult show(DataSet ds)  
           {      
           return View(OM);    
           }