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Hello all,

I hope this isn't a silly question. I'm not much of a programmer {gulp} however I have a problem. I have a drop down list with 10 items, all different values. I'd like to be able to pass the value from a selected item in the list with a Click to order buton?

Here is the code I have thus far:

<form action="https://www.viaKLIX.com/process.asp" method="post">
     <p align="center">
      <input type="hidden" name="ssl_merchant_id" value="654321">
      <input type="hidden" name="ssl_user_id" value="aquapad">
         <input type="hidden" name="ssl_pin" value="123456">
         <input type="hidden" name="ssl_amount" value="??????">
      <input type="hidden" name="ssl_customer_code" value="1">
      <input type="hidden" name="ssl_cvv2" value="Present">
      <input type="hidden" name="ssl_cvv2cvc2" value="">
      <input type="hidden" name="ssl_invoice_number" value="Aqua1-001">
      <input type="hidden" name="ssl_description" value="Aqua Pad - 5 pad package">
         <span class="style9">Quantity:</span>         
         <select name="quantity" id="quantity">
           <option value="9.25" selected>1</option>
           <option value="15.00">2</option>
           <option value="20.75">3</option>
           <option value="26.50">4</option>
           <option value="32.25">5</option>
           <option value="38.00">6</option>
           <option value="43.75">7</option>
           <option value="49.50">8</option>
           <option value="55.25">9</option>
           <option value="61.00">10</option>
            </select>
    </p>
    <p align="center"><input type="submit" value="Click To Order">
                  <br>
                  <br>
                  <a href="http://www.mastercard.com/" target="_blank"><img src="../images/mc_vs_accpt_h_023_gif.gif" width="75" height="23" border="0"></a></p>
        </form>

What do I need to do to get the value selected in the drop down list posted in the ?????? value area? I hope this isn't a huge deal. With my luck it probably is.

Thanks a ton!!
Chris

PS - Everyone can see the page as it looks by visiting: www.nationalbias.com/test/aqua_pad3.html

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Discussion Span
Last Post by pvt_geeker
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There is no reason to do that, as the selected value will be posted with the form. You don't have to place it in a hidden variable.

However, in JavaScript it might look like this:

s = document.getElementById("quanity");
document.getElementById("ssl_amount").value = 
s.options[s.options.selectedIndex].value;

Untested, but should get you on the right track.

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So, and forgive my ignorance here, where would I place this code in the code that I've shown? Or would it be placed somewhere else within my code? Sorry for my lack of knowledge. I know how to make a page look good, it's the functions like this that I really have not a clue.

Thank you,
Chris

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Just to repeat, you do not have to do this. The selected value will already be posted, as the value of your "quantity" object.

But, if you want to move the value of one element, to another, you have to use JavaScript.

So the question is, where do I put this script, and the next question is, when does it run?

The answer to the first part is, create a JavaScript function, and place it in the head of your page:

<html>
<head>
<script type="text/javascript">
function movevalue()
{
   s = document.getElementById("quantity");
  document.getElementById("ssl_amount").value = 
  s.options[s.options.selectedIndex].value;
}
</script>
</head>
<body>
</body>
</html>

Ok, so that places the script on the page, ready to run. When will it run? In response to an EVENT. The question you have to ask is, what event should cause this to run?

I would suggest perhaps when the user changes the value of the selected option. That event, "change", is handled by adding onchange="movevalue();" to your select tag.

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I think what tgreer's getting at is that you have to have some backend code to actually do anything with the value. The value of the control gets submitted on the page postback. What happens with the variable all has to do with backend stuff. In tgreer's example, he was using client-side JavaScript.

What platform are you working on? Are you using Perl? Python? ASP? Once you've got the value, you have to do something with it, and how you reference that value depends on what you want.

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Well, yes, eventually, the form will be filled out and all the form's values posted back to the server, where some server-side code will process it. I assumed that much.

It seems, though, that the user was asking how to move the value around within the form, prior to posting the form back to the server.

I don't know why, but my code shows how to do that. This one gets a big "shrug" from me... I think we've answered the threadstarter's question, and haven't heard any feedback, so...

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Sorry to all who have answered or responded to this thread. I've attained what I've set out to do using all your suggestions. I've learned a lot thansk to all of your responses.

THANK YOU! Sorry It's taken me a bit to update you on my progress with my issue.
Chris

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you can just show your balls to ask questions without hesitant. the result depends on the availability of volunteers to help you before you worry about the "others".

This topic has been dead for over six months. Start a new discussion instead.
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