With that I can implement some business logic for the merchant objects in an object oriented manner, so these objects know how to handle themselves. read the article in (http://www.zope.org/Members/michel/ZB/RelationalDatabases.html) about object-relational binding, there you find some more detailed descriptions but I think it is still a little bit underdocumented... BTW in meanwhile I've found the answer to my question below: you can just bind ZClasses to a SQL method that are not marked as persistent. phil *********** REPLY SEPARATOR *********** On 03.11.2000 at 14:11 MANUEL JOSE AMADOR BRIZ wrote: >What is this ZClass binding for? What\'s its purpose? > >Quoting Philipp Auersperg <[EMAIL PROTECTED]>: > >> For ZSQL Methods it is possible to bind a ZClass to the records. >> >> These can be selected from te combo box labeled \'ZClass\' in the >> \'advanced\' tab of the SQLMethod\'s management screen, >> but there is always listed just one ZClass. >> >> My question: >> Why is there just one ZClass selectable, even if there are many ZClasses >> defined? >> Is that a bug or a feature? >> >> thanks >> >> phil >> >> > >---------------------------------------------------------- > Universidad Federico Santa Maria - Campus Guayaquil > Enviado por: www.usm.edu.ec _______________________________________________ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )