Mike is right - It's best to process everything on the server side and
update the client side after everything has been updated (database, etc.)
This requires some more coding (setting the drop boxes, text boxes to the
same values that the user chose before "submitting"), but it's the safest
way to go.
-C
"Bob Sears" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> This is what my screen looks like:
>
> I want to order ...
> description image dropdown box @ 7.95 each = [text
box]
> containing 0-20
> numerics
>
> I had been contemplating using Javascript to perform the text box
extension
> of the quantity * rate calculation. However, the
> need is to also update a MySQL table with the session tracking number and
> other pertinent information about the selection
> so a purchase order can be written in a subsequent module.
>
> Can this be done with straight PHP or will it require a mix of Javascript
> for the calculation and PHP for the data base update?
> If so, what might the code look like?
>
> Bob
>
>
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