Hello…
I have a 3 dropdown “boxes” when I pick one of the first option the second one will be showed.
>>>> 1.php <<<<
----------------------------------------------------------------
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>!AJAX!</title>
<script language="javascript" type="text/javascript">
//------------- <> -------------
var http = getHTTPObject();
function getHTTPObject()
{
var xmlhttp;
if (window.XMLHttpRequest)
xmlhttp = new XMLHttpRequest();
else if (window.ActiveXObject)
xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
return xmlhttp;
}
//------------- <> -------------
function getDistritos()
{
var pais = document.getElementById("pais").value;
var url = "1.php?pais=";
http.open("GET", url + encodeURI(pais) , true);
http.onreadystatechange = handleDistritos;
http.send(null);
}
function handleDistritos()
{
if(http.readyState==4)
{
if(http.status==200)
{
var result = http.responseText;
if(result!="null")
document.getElementById('distrito').innerHTML = result;
}
}
}
function getConcelhos()
{
var pais = document.getElementById("distrito").value;
var url = "1.php?distrito=";
http.open("GET", url + encodeURI(distrito) , true);
http.onreadystatechange = handleConcelhos;
http.send(null);
}
function handleConcelhos()
{
if(http.readyState==4)
{
if(http.status==200)
{
var result = http.responseText;
if(result!="null")
document.getElementById('concelho').innerHTML = result;
}
}
}
</script>
</head>
<body>
<form name="myform" id="myform">
País:
<select name="pais" id="pais" onchange="javascript:getDistritos();">
<OPTION value='0' >Pick a country (pais)</OPTION>
<?php
include './bd.php';
$result=mysql_query("select pais_id, pais_nome from pais;");
while($row = mysql_fetch_array($result))
{
echo("<option value='".$row[0]."'>".$row[1]."</option>");
}
mysql_close();
?>
</select>
Distrito:
<select name="distrito" id="distrito" onchange="javascript:getConcelhos();">
<OPTION value='0' >pick a state (distrito)</OPTION>
</select>
Concelho:
<select name="concelho" id="concelho" onchange="javascript:getFrequesias();">
<OPTION value='0' >pick a city (concelho)</OPTION>
</select>
</form>
</body>
</html>
---------------------------------------------------------------------------
>>>> 2.php <<<<
-------------------------------------------------------------------------------
<?php
if (($_GET['pais']==1) || ($_GET['pais']==2) || ($_GET['pais']==3))
{
include './bd.php';
$result=mysql_query("select distrito_id, distrito_nome from distrito where distrito_id = '$_GET[pais]';");
while($row = mysql_fetch_array($result))
{
print("<option value='".$row[0]."'>".$row[1]."</option>");
}
mysql_close();
}
if (($_GET['distrito']==1) || ($_GET['distrito']==2) || ($_GET['distrito']==3))
{
include './bd.php';
$result=mysql_query("select concelho_id, concelho_nome from concelho where concelho_id = '$_GET[distrito]';");
while($row = mysql_fetch_array($result))
{
echo("<option value='".$row[0]."'>".$row[1]."</option>");
}
mysql_close();
}
?>
-------------------------------------------------------------------------------
I can´t even make the second dropdown work properly…
Can anyone help me????
Thanks!
Thanks!
Thanks!
