[ic] Interchange demo: userdb mail_list field cannot be set to empty
ton at verhagen.net
Thu Nov 5 17:32:33 UTC 2009
Quoting Mike Heins wrote:
> Quoting Ton Verhagen (ton at verhagen.net):
>> Ton Verhagen wrote:
>>> Dear IC'ers,
>>> In the current demo on www.icdevgroup.org it is not possible to set
>>> the userdb field mail_list to an empty value.
>>> In other words, users are not able to unsubscribe from all mailing
>>> lists. The last value always remains active.
>>> The demo uses a multiple select box for this feature. I have also
>>> tried checkboxes with no avail.
>>> Any ideas?
>> Apparently an empty cgi variable does not overwrite an existing value
> This is not true at all.
> You can test it yourself:
> That will show your name. Now do:
You might be right in this regard.
But please try similar things with check boxes and/or multiple selects:
an empty selection (no checkboxes ticked) won't overwrite an existing
value in the session.
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