public ActionResult Statistics(bool top=true,int count=10)
{
ViewBag.Order = top ? "Top" : "Descending";
ViewBag.Count = count;
List<Book> model;
if(!top)
model= (from m in db.Books orderby m.CountVistor select m).Take(count).ToList();
else
model = (from m in db.Books select m).OrderByDescending(p=>p.CountVistor).Take(count).ToList();
return View(model);
}