public ActionResult Create(Checkinout checkinout)
        {
            if (ModelState.IsValid)
            {
                db.Checkinouts.Add(checkinout);
                db.SaveChanges();
                return(RedirectToAction("Index"));
            }

            return(View(checkinout));
        }
        public ActionResult Create(OPinfo opinfo)
        {
            if (ModelState.IsValid)
            {
                db.OPinfoes.Add(opinfo);
                db.SaveChanges();
                return(RedirectToAction("Index"));
            }

            return(View(opinfo));
        }