public function executeGetKkm() { $sc_id = $this->getRequestParameter('student_course_id'); $sc = StudentCoursePeer::retrieveByPK($sc_id); $this->forward404Unless($sc); $c = new Criteria(); $c->add(SubjectGradingPeer::SUBJECT_ACCAL_ID, $sc->getSubjectAccalId()); $sg = SubjectGradingPeer::doSelectOne($c); $this->forward404Unless($sg); return $this->renderText("<input type='text' size='7' value='" . $sg->getPercentage() . "' id='kkm' name='kkm'/>"); }