[Zope3-Users] z3c.form - how to raise/create an error in an action?

[Hermann Himmelbauer]

Hi,
I have a case where an error may occur in the form-action method (z3c.form, 
not formlib!), e.g. when data is not found in my database. I'd then like to 
output this error, similar when a widget error occurs. Moreover there are two 
simple cases:

1) Errors that are related to a widget (hence the error should be shown along 
with the widget)
2) Errors which are unrelated to the widget (like an Invariant).

Is there a simple way to accomplish this?

Best Regards,
Hermann

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