[Zope] HTML forms: how to get the value of an unchecked checkbox?

[Tino Wildenhain]

Hi Stephane,

one solution is to let zope handle this. Include
the following into your form:

<input type="hidden" name="sugar:default" value="no">
<input type="hidden" name="milk:default" value="no">

HTH
Tino Wildenhain

--On Montag, 7. Mai 2001 15:48 +0200 Stephane Bortzmeyer 
<bortzmeyer@netaktiv.com> wrote:

> I made many HTML forms with Zope but now, I need checkboxes. If I try:
>
> <FORM action="handleForm">
> <INPUT TYPE="checkbox" NAME="sugar" CHECKED>Sugar?&nbsp;
> <INPUT TYPE="checkbox" NAME="milk">Milk?<BR>
> <INPUT TYPE="submit" NAME="submit" VALUE="Order">
> </FORM>
>
> The Python Script handleForm cannot run if Milk is unchecked. This is
> because HTML browsers only send the value of the checkbox if it is
> checked. The URL sent looks like:
>
> http://progress.netaktiv.com:9673/Tests/handleForm?sugar=on&submit=Order
>
> (do note there is no Milk)
>
> and the error message is:
>
> ---------
> Site Error
>
> An error was encountered while publishing this resource.
>
> Invalid request The parameter, milk, was omitted from the request.
>
> Make sure to specify all required parameters, and try the request
> again.
> ---------
>
> Of course, milk is in the parameters of the Python Script, but how can
> I say that it is optional and should default to false? Using
> "milk:boolean" as its name changes nothing.
>
>
>
>  Zope 2.3.2 (source release, python 1.5.2, linux2)
>
>
>
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