protected function getMassValidator() { $validator = parent::getMassValidator(); $validator->addFilter('set_price', new NumericFilter('')); $validator->addFilter('set_stock', new NumericFilter('')); $validator->addFilter('inc_price', new NumericFilter('')); $validator->addFilter('inc_stock', new NumericFilter('')); $validator->addFilter('set_minimumQuantity', new NumericFilter('')); $validator->addFilter('set_shippingSurchargeAmount', new NumericFilter('')); return $validator; }