BleepingComputer.com: Need help on connecting my localhost database

im using xampp for my local server.

im making a webpage so i can view my database.

this is my PHP codes.

<?php
$con = mysql_connect('localhost','root','');
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
?>

when i try to run my web page. it wont display anything, nor it even displays that Ive connected to my server or not.

it only diplays a blank page.