model-delete-ajax

public function deleteDiagnosaTrans($diagnosa_trans_id=''){
   $queryDelete = $this->db->delete('diagnosa_trans',array('diagnosa_trans_id'=>$diagnosa_trans_id));
    if($queryDelete){
      $pesan = "berhasil";
    }else{
      $pesan = "gagal";
    }
      return $pesan;
}