$id=10;

$sorgu2=mysql_query("SELECT * FROM tablom ORDER BY ID ASC");
$satir=mysql_num_rows($sorgu2);
$a=1;
echo "".$satir."<br>";

while($bilgi2=mysql_fetch_array($sorgu2))
{

if($bilgi2['id']==$id)

{
echo "".$a.". siradasin";
exit;

}
$a++;


}