Lista desplegable en formulario

[davidangel]

$ssql = "SELECT CODIGO FROM TIPO_INCIDENCIA ORDER BY CODIGO";
$rssql = mysql_query($ssql, $link) or die(mysql_error());
if (mysql_num_rows($rssql)>0)
{
while ($myrow = mysql_fetch_array($rssql))
{
//$i = 0;
$mostrar = $myrow['CODIGO'];
//if ($i == 0)
//echo "<option selected value='mostrar'>$mostrar</option>";
//else
echo "<option value='$mostrar'>$mostrar</option>";
//$i++;
}
}
echo "</select>";