public ActionResult Create(ContactUsSubmissionModel contactussubmissionmodel)
        {
            if (ModelState.IsValid)
            {
                db.cuSub.Add(contactussubmissionmodel);
                db.SaveChanges();
                return RedirectToAction("Index", "Home");
            }

            return View(contactussubmissionmodel);
        }
 public ActionResult Edit(ContactUsSubmissionModel contactussubmissionmodel)
 {
     if (ModelState.IsValid)
     {
         db.Entry(contactussubmissionmodel).State = EntityState.Modified;
         db.SaveChanges();
         return RedirectToAction("Index");
     }
     return View(contactussubmissionmodel);
 }