Thanks Sibu. But the problems is that even the names of the checkboxes
and radio buttons are going to be dynamic. I really can't hard code any
names like this.
Thanks.
--Alex
> Hi,
> We use something like following at the Perl level to check for radio
> button
> and check boxes that are not passed from HTML form.
>
> #----------------------------------
>
> # At CGI save level, receive all the params using CGI object.
>
> my $cgi = $self->query();
> my @array = $cgi->param;
>
> # Make a key value pair of normal HTML elements from form and also extract
> checkbox group and multi-list selection box
> # values in to a single comma separated value.
>
> my %form = map { $_ => scalar @{[ $cgi->param( $_ ) ]} == 1 ? $cgi->param(
> $_ ) : join(",", $cgi->param( $_ ) ) } @array;
>
> my $form = setHTMLTagValues(\%form};
>
> foreach (sort keys %$form)
> {
> # Save to database or do whatever you want to do.....
> }
>
> #----------------------------------
>
>
> sub setHTMLTagValues
> {
> my $hash = shift;
>
> # You can add different profiles for each forms used here.
>
> my @array = ('Radio1','Radio2','Check1');
>
> # Set any value so that the script finds the name of the missing
> HTML tag while processing.
>
> map{ $hash->[EMAIL PROTECTED] = '' if(!exists( $hash->{$_} )); } @array;
>
> return($hash);
> }
>
> HTH
> Thanks
>
> Sibu Thomas
> Liaison Inernational Inc
> Watertown, MA
>
>
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> On Behalf Of Alex Brelsfoard
> Sent: Thursday, May 26, 2005 10:56 AM
> To: Joel Gwynn
> Cc: boston-pm@mail.pm.org
> Subject: Re: [Boston.pm] Empty radio and checkboxes not passed to perl scr
> ipt
>
>> Forgive my ignorance, but why would it be a problem not to have these?
>>
>
> Picture a web form that is some sort of a survey. When that survey is
> submit the perl script writes out the answers onto a file. That file is
> tab
> delimited.
> Now picture the first person going to the form and filling everything out,
> including all checkboxes and radio buttons.
> Now the second person comes along and chooses not to fill in a radio
> button.
> When that form's information is sent to the script it is missing that
> radio
> buttons field name and therefore misses that tab, and all the results get
> skewed. Information becomes invalid, people get unhappy, heads are lost,
> cats and dogs start getting married, and all the worlds wine turns into
> bags
> of turnips.
> In other words, not terribly fun.
> --Alex
>
>> On 5/26/05, Philipp Hanes <[EMAIL PROTECTED]> wrote:
>>> > The following ideas are options I would _not_ like to follow if
>>> > possible:
>>> > - set a default checkbox or redio button (so something is always
>>> > filled in).
>>> > - use a hidden field to list of all the fields in the form.
>>> > - have the perl script read the HTML code from the page and make
>>> > its own list.
>>> > - javascript
>>> >
>>> > I kinda understand why the browser doesn't send this information
>>> > (no value to hold onto), but there HAS to be a solution for this.
>>> > Seems frightfully
>>> > stupid not to have an easy option out there for something like this.
>>>
>>> No solution other than the ones you mentioned, that I'm aware of.
>>> What we've done is generally a hidden field that gets fiddled with
>>> via JavaScript when the checkbox is changed. Then the back-end code
>>> just looks at the hidden field, and can be totally oblivious to
>>> what's really going on in the HTML.
>>> Yup, seems stupid to me, each time I run into it again, too.
>>> I'd be curious if someone has come up with something better.
>>> Doubtful, though.
>>> good luck philipp
>>>
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>>>
>>
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