row() and result() different

[eluser]Unknown[/eluser]
what the diffent of of row() and result()?...
if i use row() data no showed...but if i use result() data is showed...
example :

Code:

$this->db->where('ID_PERKARA','1');                                $data_pasal_perkara=$this->db->get('td_kppu_pasal_perkara');
foreach ($data_pasal_perkara->result() as $dpp){
$dpp->PASAL;
}

and if i use row()
example :

Code:

$this->db->where('ID_PERKARA','1');                                $data_pasal_perkara=$this->db->get('td_kppu_pasal_perkara');
$dpp = $data_pasal_perkara->row();
$dpp->PASAL;
}

and show error like this

A PHP Error was encountered

Severity: Notice

Message: Trying to get property of non-object

Filename: data_entry/pelaporan_lihat.php

Line Number: 55