Exclude from model binding
[HttpPost]
public ActionResult Edit([Bind(Exclude ="ReviewerName,Review")]RestaurantReview rev)
{
if (ModelState.IsValid)
{
db.Entry(rev).State = EntityState.Modified;
db.SaveChanges();
return RedirectToAction("Index",new { id=rev.RestaurantId });
}
return View(rev);
}