public ActionResult Edit([Bind(Include = "ID,Label,Description,DateCreation,Statut,CategorieID")] Annonce annonce)
 {
     if (ModelState.IsValid)
     {
         db.Entry(annonce).State = EntityState.Modified;
         db.SaveChanges();
         return(RedirectToAction("Index"));
     }
     ViewBag.CategorieID = new SelectList(db.Categories, "ID", "Nom", annonce.CategorieID);
     return(View(annonce));
 }