Thank you for replying gentlemen. Both your replies fixed my error, small problem is I no longer get an error message, I just dont get a list of the names I have listed in my mysql database. Here is what I have updated it to.
<?php
$first_name = $_POST['firstname'];
$last_name = $_POST['lastname'];
require_once ('swdb_connect.php');
$query = "INSERT INTO description(firstname, lastname) VALUES ('$first_name', '$last_name')";
$result = mysql_query ($query);
$query = "SELECT * FROM description";
$result = mysql_query ($query)
or die('ERROR querying database.');
while($row = mysql_fetch_array($result)) {
echo $row['firstame'] . '<br />';
}
?>