$state = $this->grocery_crud->getState();
if($state == 'insert_validation'){
$this->grocery_crud->set_rules('id_thn_ajaran','Thn ajaran','required|is_unique[tahun_ajaran.id_thn_ajaran]');
}elseif($state == 'update_validation'){
$this->grocery_crud->set_rules('id_thn_ajaran','Thn ajaran','callback_thn_ajaran_check');
}
///////
public function thn_ajaran_check($str){
$this->form_validation->set_message('thn_ajaran_check', 'The Thn ajaran already exists');
return false;
}
