public Transaction_effectuee ajouter(Transaction_effectuee u) { if (u == null) { u = new Transaction_effectuee(); } try { db.creerTransaction_effectuee(u.libelle, u.montant_transaction, u.codeCOMPTE_MARKETER, u.codeU); } catch (Exception ex) { u.libelle = ex.StackTrace; } return(u); }