public ActionResult SendToFreightForwarder(int id)
        {
            var model = new PurchaseOrderHeaderListModel();

            // Activate the process of sending the purchase to the freight forwarder
            try {
                var error = PurchasingService.SendPurchaseOrderToFreightForwarder(id);
                if (error.IsError)
                {
                    model.Error.SetError(error.Message);
                }
                else
                {
                    model.Error.SetInfo(EvolutionResources.infPurchaseOrderSentToFreightForwarder);
                }
            } catch (Exception e1) {
                model.Error.SetError(e1);
            }
            return(Json(model, JsonRequestBehavior.AllowGet));
        }