newbie having problem

Hi all, I'm doing some basic php/MySQL stuff (LinuxPPC on Mac7100). I'm gettin g the following error when I search for somthing. ======== Supplied argument is not a valid MySQL result resource in /usr/local/apache/htdocs/bizflyer/Bizflyer_R1.php on line 32 ======== Here's my relevant code: ======== <?php mysql_connect ('pingu','root@localhost',''); mysql_select_db ('Bizplanes'); if ($Serial == "") {$Serial = '%';} if ($Type == "") {$Type = '%';} if ($Con == "") {$Con = '%';} $result=mysql_query ("SELECT * FROM biz WHERE ID LIKE '%$Serial%' AND Type LIKE '%$Type%' Con LIKE '%$Con%' ORDER BY ID"); ?> TABLE STUFF HERE <?php if ($row=mysql_fetch_array($result)) { ######### this is line 32 do { print ("<TR><TD>"); print $row['ID']; print ("<TD>"); print $row['Type']; print ("<TD>"); print $row['Con']; print ("<TD>"); print $row['Operator']; print ("</TD></TR>"); } while ($row=mysql_fetch_array($result)); } else {print ("Sorry, no aircraft matching your criteria were found.");} ?> ========= Any suggestions as to where I'm going wrong? Regards George Pitcher Technical Manager HERON Project Napier University Edinburgh EH10 5DT fmdev@yahoo.co.uk gep1@stir.ac.uk safc2_1nufc@yahoo.com http://www.heron.ac.uk ================================================ programmer - A device for transmuting caffeine into code. ================================================ _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com