ComboboxController.php tutorial combobox

	public function actionTambah(){

		if (isset($_POST['addsubmit'])) {
			$SQL="INSERT INTO tutorial_combobox values('','".$_POST['province']."','".$_POST['kabupaten']."','".$_POST['kecamatan']."','".$_POST['kelurahan']."','".$_POST['harga']."')";
			$command= Yii::app()->db->createCommand($SQL);
			$n=$command->execute();

			$this -> redirect(array('combobox/index'));
		}else{
		$this->render('tambah');
		}
	}
	public function actionGet_Kab(){

		$criteria= new CDbCriteria;
		$criteria->order = 'nama ASC';
	  	$criteria->condition ='id_prov = '.$_POST['prov'].' ';
		$model=Kabupaten::model()->findAll($criteria);

		$return = '<option>pilih kabupaten</option>';
		foreach($model as $m)
		{
			$return .= '<option value="'.$m['id_kab'].'">'.$m['nama'].'</option>';
		}
		echo $return;
	}

	public function actionGet_Kec(){
		//IsAuth::Admin();
		$criteria1= new CDbCriteria;
        $criteria1->order = 'nama ASC';
	  	$criteria1->condition ='id_kab = '.$_POST['kab'].' ';
		$models=Kecamatan::model()->findAll($criteria1);

		$return = '<option>Pilih Kecamatan </option>';
		foreach($models as $ms)
		{
			$return .= '<option value="'.$ms['id_kec'].'">'.$ms['nama'].'</option>';
		}
		echo $return;
	}

	public function actionGet_Kel(){
		//IsAuth::Admin();
		$criteria2= new CDbCriteria;
        $criteria2->order = 'nama ASC';
	  	$criteria2->condition ='id_kec = '.$_POST['kel'].' ';
		$model2=Kelurahan::model()->findAll($criteria2);

		$return = '<option>Pilih Kelurahan </option>';
		foreach($model2 as $mk)
		{
			$return .= '<option value="'.$mk['id_kel'].'">'.$mk['nama'].'</option>';
		}
		echo $return;
	}