List<Product> myMvm = db.Products.ToList();
        List<Griedview> MyViewList = myMvm.Select(x => new Griedview
        {
            ProductID = x.ProductID,
            ProductName = x.ProductName,
            UnitPrice = x.UnitPrice,
            Discontinued = x.Discontinued,
            UnitsInStock = x.UnitsInStock
        }).ToList();


        return Json(MyViewList, JsonRequestBehavior.AllowGet);