Re: [orbeon-user] problem with page-flow - 'Page can not be displayed'

[Rahul Agarwal]

Hi,

I know that when an element is validated (because there is a type, constraint, or required attribute on a bind _expression_ pointing to that element in the XForms model), the XForms engine adds an xxforms:valid="true|false" attribute to the element. I can access this attribute anywhere I have access to the XForms instance.
My question is - Is there any way to know which particular validation/bind _expression_ (constraint, required or anything else) made the element invalid? My intention is to display appropriate <xforms:alert> message which makes user understand exactly what went wrong. User is not convinced to see all <xforms:alert> messages associated with an element while only one of the many possible constraints is failed.

Thanks and Regards,
Rahul Agarwal

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