public function actionPaymentDetail($id)
 {
     $model = new SalePayment('search');
     $model->unsetAttributes();
     // clear any default values
     if (isset($_GET['SalePayment'])) {
         $model->attributes = $_GET['SalePayment'];
     }
     $this->renderPartial('sale_payment', array('model' => $model, 'id' => $id));
 }