Hi! I'm validating a self referencing field via onvalidation parameter of crud.update(). My function checks if this field is the same as the id and emits an error in this case (setting form.errors.ref_field). (form is the parameter for the function given to onvalidation)
I read the example to onvalidation on http://web2py.com/book/default/section/7/1 (7.1. FORM) and it is using form.vars to access the fields of the form. But form.vars is empty. I found my values in form.request_vars and was able to successfully check form.request_vars.ref_field == form.request_vars.id. Could be an error in the book, or maybe CRUD is different from FORM. Haven't looked any further into this matter. BTW: The section on CRUD http://web2py.com/book/default/section/7/6 refers to SQLFORM for an explanation for onvalidation, but onvalidation isn't mentioned on http://web2py.com/book/default/section/7/2 7.2. SQLFORM Regards, Stefan
