public function search()
{


        $criteria=new CDbCriteria;

        $criteria->compare('id_person',$this->id_person);
        $criteria->compare('name',$this->name,true);
        $criteria->compare('data_start',$this->data_start,true);
        $criteria->compare('date_end',$this->date_end,true);
        $criteria->compare('score',$this->score);


        return new CActiveDataProvider($this, array(
                'criteria'=>$criteria,
        ));
}