public ActionResult FirmList()
        {
            if (Session["Identity"] == null) { return RedirectToAction("login"); }
            MyPage page = new MyPage();

            page.CurrentPage = int.Parse(Request.QueryString.Get("page"));
            List<Firm> firms = new FirmHandle().GetFirmViewByPage(page);
            ViewData["firms"] = firms;
            ViewData["CurrentPage"] = page;
            return View();
        }
        public ActionResult AddEmployee()
        {
            if (Session["Identity"] == null) { return RedirectToAction("login"); }
            ViewData["firms"] = new FirmHandle().GetAllFirm();
            return View();

        }
        public ActionResult ModifyManager()
        {
            if (Session["Identity"] == null) { return RedirectToAction("login"); }
            int id = int.Parse(Request.QueryString.Get("id"));
            ViewData["manager"] = new EmployeeHandle().getEmployeeById(id);
            ViewData["firms"] = new FirmHandle().GetAllFirm();

            return View();

        }