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Re: Warning: mysql_num_rows(): supplied argument is not a valid MySQL

Posted by jay2006 on 12/21/06 07:08

Oops, sorry, I thought to just add the error parts. I'll give what you
said a go and will let you know how it goes.

Thanks



Geoff Berrow wrote:
> Message-ID: <1166682191.046574.280090@f1g2000cwa.googlegroups.com> from
> jay2006 contained the following:
>
> >Warning: mysql_num_rows(): supplied argument is not a valid MySQL
> >result resource in /insert.php on line 117
>
> Your query is failing
> >
> >Warning: Cannot modify header information - headers already sent by
> >(output started at /insert.php:117)
> >in /insert.php on line 128
> >
> >Warning: Cannot modify header information - headers already sent by
> >(output started at /insert.php:117)
> >in /insert.php on line 129
>
> These are created because php has echoed a warning before your header
> call
> >
> >
> > if($num3 != 0)
> > {
> > $msg = ("<b>Email Already Registered:</b><br>We are sorry but the
> >email you have entered has already been registered, please use another
> >or try to recover your previous account.");
> > mysql_close($link);
> > }
> > else
> > {
> > $sql = mysql_query("SELECT C_USER_NAME FROM CUSTOMER where
> >C_USER_NAME = '$cus[8]'", $link);
> >line 117>>> $num = mysql_num_rows($sql);
>
>
> Do this:
> $s=SELECT C_USER_NAME FROM CUSTOMER where C_USER_NAME = '$cus[8]'";
> $sql = mysql_query($s, $link);
>
> That way your can debug the SQL statement by doing
> echo $s;
>
> Also you can do this which gives you more info
> $sql = mysql_query($s, $link) or die(mysql_error());
>
> You haven't shown your database connection section. Is that ok, did you
> remember to include it?
>
>
> --
> Geoff Berrow 0110001001101100010000000110
> 001101101011011001000110111101100111001011
> 100110001101101111001011100111010101101011

 

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