public ActionResult Edit([Bind(Include = "bookingid,sid,cid,noofseats,totalamount")] moviebooking moviebooking)
 {
     if (ModelState.IsValid)
     {
         db.Entry(moviebooking).State = EntityState.Modified;
         db.SaveChanges();
         return(RedirectToAction("Index"));
     }
     ViewBag.cid = new SelectList(db.customers, "cid", "cname", moviebooking.cid);
     ViewBag.sid = new SelectList(db.Screens, "sid", "sid", moviebooking.sid);
     return(View(moviebooking));
 }