Just to put my 2cents in, you might want to try jQuery if you're going to
go down the AJAX road.


On Wed, Jul 18, 2012 at 1:59 AM, Ramiro Barrantes <
ram...@precisionbioassay.com> wrote:

> Thanks to everyone for their help, AJAX is the way to go.
> Daevid, it's interesting you welcome me to the year 2000, I actually
> graduated from CS in 1999 and haven't really done much more than simple
> web-programming since (have done scientific programming instead), so I am
> definitely behind the times!!!
> ________________________________________
> From: Jen Rasmussen [j...@cetaceasound.com]
> Sent: Monday, July 16, 2012 4:19 PM
> To: Ramiro Barrantes; php-general@lists.php.net
> Subject: RE: [PHP] Creating drop-down menus
> -----Original Message-----
> From: Ramiro Barrantes [mailto:ram...@precisionbioassay.com]
> Sent: Monday, July 16, 2012 3:17 PM
> To: php-general@lists.php.net
> Subject: [PHP] Creating drop-down menus
> Hello,
> I am making an application using PHP/Javascript/mysql and had a question.
> Sometimes I need to use javascript to fill a drop down box based on the
> value of a previous drop down box.  However, the information to fill the
> latter is stored in mysql and can be a lot, what I have been doing is that,
> using PHP, I create hidden fields with all the possible information that
> might be needed to fill the second drop down.
> For example, the user chooses a bank from a drop down, and then a list of
> clients is displayed on the following drop down.  I use PHP to read all
> clients from all the banks and put that as hidden fields on the html page.
> It is very cumbersome.
> I do not want to read the database (which changes dynamically) from
> javascript directly due to confidentiality and because a lot of care has
> been taken to create the appropriate  queries with checks and protect
> misuse
> of the information using PHP.
> My questions are:
> 1) Do people just normally use hidden fields to store possible information
> to fill the drop downs?
> 2) any suggestions?
> Thanks in advance,
> Ramiro
> **
> You could also store the information as a session variable.
> Jen
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