public void UpdateAchatDetached(Achat e)
 {
     utOfWork.AchatRepository.UpdateAchatDetached(e);
 }
        public ActionResult CreateAchat(Achat achat, FormCollection collection)
        {
            try
            {
                achat.Date_d_achat = System.DateTime.Now;
                db.Achat.Add(achat);
                db.SaveChanges();


                return RedirectToAction("GetAchat");
            }
            catch (Exception ex)
            {
                LogThread.WriteLine(ex.Message);
                return RedirectToAction("Index", "Error");
            }
        }
        public ActionResult EditAchat(Achat acht, FormCollection collection)
        {
            try
            {

                db1.UpdateAchatDetached(acht);
                db.SaveChanges();
                return RedirectToAction("GetAchat");
            }
            catch (Exception ex)
            {
                LogThread.WriteLine(ex.Message);
                return RedirectToAction("Index", "Error");
            }
        }
        public ActionResult EditAchat(Achat achte, FormCollection collection)
        {
           
            if (ModelState.IsValid)
            {
                try
                {
                   DateTime jj = Convert.ToDateTime(achte.Date_d_achat);
                    String hh = jj.ToString("dd-MM-yyyy");
                    var four = fourni.FindFourByID(achte.Id_fournisseur);
                    //  achat.Date_d_achat = System.DateTime.Now;
                    achte.idDelegation = four.idDelegation;

                    db1.UpdateAchatDetached(achte);
                db1.SaveChange();
                return RedirectToAction("GetAchat");
            }
            catch (Exception ex)
            {
                LogThread.WriteLine(ex.Message);
                return RedirectToAction("Index", "Error");
            }
        }
            else

            {
                ViewData["region"] = new SelectList(BissInventaireEntities.Instance.Region.ToList(), "idRegion", "libelle");
                ViewData["pays"] = new SelectList(BissInventaireEntities.Instance.Pays.ToList(), "idPays", "libelle");
                ViewData["delegations"] = new SelectList(BissInventaireEntities.Instance.Delegation.ToList(), "idDelegation", "libelle");
                ViewData["gouvers"] = new SelectList(BissInventaireEntities.Instance.Gouvernorat.ToList(), "idGouvernorat", "libelle");
                ViewData["fournisseurs"] = new SelectList(BissInventaireEntities.Instance.Fournisseur.ToList(), "Id_fournisseur", "Nom");

                ViewData["contratgar"] = new SelectList(BissInventaireEntities.Instance.Contrat.ToList(), "Id_contrat", "Num");
                ViewData["achats"] = new SelectList(BissInventaireEntities.Instance.Achat.ToList(), "Id_achat", "Num_facture");
                return View();
            }

        }