1) This suggests that the dynamic bindings you are using are ot getting a value.
what dynamic bindings are you using?
2) On the confirm page, double click the eCart Australia post server behavior to make changes like changing the weight units.
3) Add the following code to the checkout success page after the </html> tag to clear the session after checking out:
<?php
// Initialize the session.
// If you are using session_name("something"), don't forget it now!
@session_start();
// Unset all of the session variables.
$_SESSION = array();
// If it's desired to kill the session, also delete the session cookie.
// Note: This will destroy the session, and not just the session data!
if (ini_get("session.use_cookies")) {
$params = session_get_cookie_params();
@setcookie(session_name(), '', time() - 42000,
$params["path"], $params["domain"],
$params["secure"], $params["httponly"]
);
}
// Finally, destroy the session.
@session_destroy();
?>