combo box

madhavr

i need a script that has a combo box and when the selection from the combo box is made that selection is assigned to some variable in PHP

i want to avoid using any submit button so i guess this is a javascript thing

please help if you can

thanks

Xoid

research the 'onchange' event, that'll do the trick!

madhavr

im trying to do something as follows.....


$PaymentMethod= "";
function changePaymentMethod($SelectedMethod) {
$PaymentMethod = $SelectedMethod;
} // end function
?>
<form action="<?php $PHP_SELF; ?>">
SELECT PAYMENT METHOD &nbsp;&nbsp;<select name="SelectedMethod" onChange="<?php changePaymentMethod(); ?>">
<option value="Pick-Up">Pick-Up</option>
<option value="Bank">Bank</option>
<option value="Post">Post</option>
</select>
</form>

i want this in such a way that when i select a payment method it changes the variable paymentMethod.

madhavr

ok ive made a more modified version and it seems to work except that i cant get the variable assigned to the one in php

<SCRIPT LANGUAGE="JavaScript">
function testResults (form) {
var TestVar = form.SelectedMethod.value;
alert ("You chose: " + TestVar);
<?php $PaymentMethod= $TestVar; ?>
}
</SCRIPT>


<form action="<?php $PHP_SELF; ?>" method="get">
SELECT PAYMENT METHOD &nbsp;&nbsp;<select name="SelectedMethod" onChange="testResults(this.form)">
<option value="Pick-Up" selected>Pick-Up</option>
<option value="Bank">Bank</option>
<option value="Post">Post</option>
</select>
</form>

please tell me how i can get testvar assigned to paymentMethod

insane

You cannot set a PHP-Variable in a JavaScript function! The PHP is parsed before the Javascript-function is executed, so the Variable $PaymentMethod is always equal to $TestVar in your script! You have to reload the page and set the variable by GET or SET-Method. You don't need JavaScript for that except for one call:

<form action="<?php $PHP_SELF; ?>" method="get"> 
SELECT PAYMENT METHOD &nbsp;&nbsp;<select name="SelectedMethod" onChange="this.form.submit()"> 
<option <? if($SelectedMethod == "Pick-Up") echo "selected"; ?> value="Pick-Up">Pick-Up</option> 
<option <? if($SelectedMethod == "Bank") echo "selected"; ?> value="Bank">Bank</option> 
<option <? if($SelectedMethod == "Post") echo "selected"; ?> value="Post">Post</option> 
</select> 
</form>

madhavr

hi mate

thanks for the suggesstion

the only thing is that when it resubmits some informaiton the page gets screwed because usually when this page is loaded there are some arguments passed to it to execute some SQL stuff.

those variables disappear when doing this $PHP_SELF thing

is there a way i can pass those arguments to PHP_SELF as if its a url?

e.g.

$PHP_SELF?HiddenID=$HiddenID;

????

thanks

kevinsequeira

put this inside the form tag

reg
kevin