public ActionResult Create(Pest pest)
        {
            if (ModelState.IsValid)
            {
                db.Pests.Add(pest);
                db.SaveChanges();
                return RedirectToAction("Index");
            }

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