Francisco =?ISO-8859-1?Q?Jos=E9?= Esteban =?ISO-8859-1?Q?Risue=F1o?= writes: > this is the standard behaviour in a HTML form. To avoid this problem we > include > an line like this: > > <dtml-if "REQUEST.has_key('CheckBox_name')"> > <dtml-else> > <dtml-call "REQUEST.set('CheckBox_name', 'N')"> > </dtml-if> > > in the method that receives the form data. Alternatively, you may try a default value in your ZSQL argument list, something like: Arguments: ... Checkbox=0 ... Dieter _______________________________________________ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )