comb anidados
bueno el primero combo sale y cuando hago no me muestra el segundo alguien que me ayude
<?php
echo "<select name=\'medeco\'>";
echo "<OPTION> selecione </OPTION>";
$llave = mysql_connect ("localhost", "root","");
mysql_select_db("ayudasalud", $llave);
$sql = mysql_query ("select * from medico", $llave);
while ($do = mysql_fetch_array($sql)){
$med= $do[nom_medic];
$rut = $do[rut_med];
echo "<option value=\'$rut\'> $rut </option>";
}
echo "</select>\n";
echo "<select name=\'centro\'>";
echo "<OPTION> selecione </OPTION>";
$result2 = mysql_query("SELECT * FROM atiende where rut_med = " .$_REQUEST[\'medeco\']. "" , $llave);
while ($doo = mysql_fetch_array($result2)){
$centro= $doo[id_centro];
echo "<option value=\'$centro\'> $centro </option>";
}
echo "</select>\n";
?>
<?php
echo "<select name=\'medeco\'>";
echo "<OPTION> selecione </OPTION>";
$llave = mysql_connect ("localhost", "root","");
mysql_select_db("ayudasalud", $llave);
$sql = mysql_query ("select * from medico", $llave);
while ($do = mysql_fetch_array($sql)){
$med= $do[nom_medic];
$rut = $do[rut_med];
echo "<option value=\'$rut\'> $rut </option>";
}
echo "</select>\n";
echo "<select name=\'centro\'>";
echo "<OPTION> selecione </OPTION>";
$result2 = mysql_query("SELECT * FROM atiende where rut_med = " .$_REQUEST[\'medeco\']. "" , $llave);
while ($doo = mysql_fetch_array($result2)){
$centro= $doo[id_centro];
echo "<option value=\'$centro\'> $centro </option>";
}
echo "</select>\n";
?>