Re: simple question abt convert to integer

Hello Negin, $query1="select * from patient where id=".$_POST['txt']; $result1=mysql_query($query1); $rows=mysql_num_rows($result1); Note: you *didn't* execute the query by calling mysql_query on it. -- With best regards from Ukraine, Andre Skype: Francophile My blog: http://oire.org/menelion (mostly in Russian) Twitter: http://twitter.com/m_elensule Facebook: http://facebook.com/menelion ------------ Original message ------------ From: Negin Nickparsa <nickparsa@gmail.com> To: php-general@lists.php.net Date created: , 7:05:18 AM Subject: [PHP] simple question abt convert to integer my code is this: $query1="select * from patient where id=".$_POST['txt']; it works but i think because i have error in next line: *Warning*: mysql_num_rows() expects parameter 1 to be resource, boolean given $num2=Mysql_num_rows($result1); i echoed $ query1 and the result was this=>select * from patient where id=1 maybe it can't convert $_POST['txt'] from String to integer and then it can't get my $num it is int in my mysql how can i correct $query1?