Dear tony, now im understand,the code for $add_member = $db_object->query($result); where by this code before this connect directly from my dbconnect.php(form connect to database),however,my linux server not working WHEN IM USED THAT CODE,that why i change the code to other code like the example:

//form dbconnect.php (connect to database)

<?php

// database info

$dbhost = "localhost";
$dbname = "epameran";
$dbuser = "root";
$dbpass = "Passw0rd";

// connect to the database

mysql_connect ( $dbhost, $dbuser, $dbpass)or die("Could not connect: ".mysql_error());
mysql_select_db($dbname) or die(mysql_error());

?>
implemented
So,that why $db_object variable,undefined. So what script should i change for $add_member = $db_object->query($result); which query should i use,im confused about this..plz help me