public function actionEnroll() { $enrollmentModel = new Enrollment(); $userCourseEnrollmentModel = new UserCourseEnrollment(); $courseModel = new Course(); $userCourseEnrollmentModel->scenario = "enroll"; if (isset($_POST['Enrollment']) && isset($_POST['UserCourseEnrollment']) && isset($_POST['Course'])) { $enrollmentModel->attributes = $_POST['Enrollment']; $userCourseEnrollmentModel->attributes = $_POST['UserCourseEnrollment']; $courseModel->attributes = $_POST['Course']; $courseModel->course_code = $userCourseEnrollmentModel->course_code; //var_dump($courseModel); //echo $courseModel->exists('course_code=:code',array('code'=>$courseModel->course_code)); $transaction = Enrollment::model()->dbConnection->beginTransaction(); try { $enrollmentModel->datetime_created = new CDbExpression('now()'); if ($enrollmentModel->save()) { $userCourseEnrollmentModel->enrollment_id = $enrollmentModel->uid; $userCourseEnrollmentModel->enrolled_by = Yii::app()->getUser()->getId(); if ($userCourseEnrollmentModel->save()) { $transaction->commit(); $userCourseEnrollmentModel->refresh(); Yii::app()->user->setFlash('success', strtr('The Student was Enrolled in {course_code} assigned successfully.', array('{course_code}' => $courseModel->course_code))); $this->render('view', array('model' => $userCourseEnrollmentModel)); Yii::app()->end(); } else { $transaction->rollback(); } } } catch (Exception $ex) { $transaction->rollback(); } } $this->render('enroll', array('enrollmentModel' => $enrollmentModel, 'userCourseEnrollmentModel' => $userCourseEnrollmentModel, 'courseModel' => $courseModel)); }