public function rules()
{
// NOTE: you should only define rules for those attributes that
// will receive user inputs.
return array(array('injection_status_id, injection_deferralreason_id, injection_deferralreason_other', 'safe'), array('injection_status_id', 'required'), array('injection_status_id', 'injectionDependencyValidation'), array('injection_deferralreason_id', 'injectionDeferralReasonDependencyValidation'), array('id, injection_status_id, injection_deferralreason_id, injection_deferralreason_other', 'safe', 'on' => 'search'));
}