mysql fout

[vd-meij.nl]

Hey, all

Ik krijg deze fout in n script


Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in /home/jordy/public_html/mysql.php on line 17

<?php


$db = mysql_connect("localhost", "jordy_", "") or die ("Verbinding mislukt");
mysql_select_db("cws", $db);
$SQL_statement = "SELECT product_id,prijs * FROM processor";
$resultset = mysql_query($SQL_statement);
$count_rows = mysql_num_rows($resultset);
echo "De processoren " . $count_rows;
mysql_close();
?>

wat doe ik fout :S

 

[vd-meij.nl]

reageren hoeft niet meer, ik heb een nieuw script geschreven