protected void Session_Start() { Session["userid"] = null; Session["username"] = null; Session["fullname"] = null; Session["email"] = null; Session["password"] = null; Session["avatar"] = null; int cnt = Convert.ToInt32(Application["countvisitor"]) + 1; Application["countvisitor"] = cnt; Session["countvisitor"] = cnt; CorevnNetContext db = new CorevnNetContext(); var adcnt = db.Counter.FirstOrDefault(); adcnt.CountVisitor = adcnt.CountVisitor + 1; Session["countvisitor"] = adcnt.CountVisitor + 1; db.SaveChanges(); }