private void PopulateDishes() { IQueryable<GetUnwishedDish_Result> dishes; using(ProjetSGBDEntities context = new ProjetSGBDEntities()) { dishes = context.GetUnwishedDish(CurrentClient.Id); foreach(GetUnwishedDish_Result dish in dishes) { comboBoxDishes.Items.Add(new DishWishSelection(dish.DishId, dish.DisplayName())); } comboBoxDishes.DisplayMember = "DisplayName"; } }