mysql_num_rows()

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Can someone tell me why this is not working?  I do not get an error message, 
the results are called and echo'd to screen, the count does not work, I get 
a 0 for a result...



$result = mysql_query("SELECT * FROM `counties` WHERE name = 'checked'") or 
die(mysql_error());

if ( isset($_POST['submit']) ) {
for($i=1; $i<=$_POST['counties']; $i++) {
if ( isset($_POST["county$i"] ) ) {
echo "You have chosen ". $_POST["county$i"]." <br/>";
        }
    }
}

$county_total=mysql_num_rows($result);

while($row = mysql_fetch_array($result))
{$i++;
    echo $row['name'];
}
$county_total=mysql_num_rows($result);
echo "$county_total";

echo 'You Have '  .  "$county_total"  .  ' Counties ';

?>
-- 
Gary 



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