В сообщении от Среда 12 Январь 2005 04:52 Mike Millner написал(a):
> 243 Query       INSERT INTO tape_tracking_test
> (media_id,retention,out_date,return_date,box_id) values
> ('','7WK=%s','2005-01-11','2005-3-01','006455C5092800')
>
>
> How can I get PHP to ignore that line that has empty data in the media_id
> field?

Hi.

May be check $MediaID_ar[$i], and if it empty just not write media_id?
f.e.

$query = "INSERT INTO tape_tracking_test (";
if ( ! empty( $MediaID_ar[$i] ) ){
    $query .= "media_id, ";
}
$query.= "retention,out_date,return_date,box_id) values (";

if ( ! empty( $MediaID_ar[$i] ) ){
    $query .= "'".$MediaID_ar[$i]."',";
}

$query.= '". $_POST['Retention'] ."=%s','". $_POST['OutDate'] 
."','". $_POST['calendarDate'] ."','". $_POST['BoxID'] ."')";

mysql_query( $query );
bla bla bla

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