$num_rec=$app->db->queryOneRecord("SELECT count(*) as number FROM sys_user WHERE username = '".$app->db->quote($field_value)."'");
if($num_rec["number"]>0){
$errmsg=$validator['errmsg'];
if(isset($this->wordbook[$errmsg])){
return$app->tform->wordbook[$errmsg]."<br>\r\n";
}else{
return$errmsg."<br>\r\n";
}
}
}else{
$num_rec=$app->db->queryOneRecord("SELECT count(*) as number FROM sys_user WHERE username = '".$app->db->quote($field_value)."' AND client_id != ".$app->tform->primary_id);