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[Databinding] Exceptions + Vetoable Changes [message #370161]

Wed, 29 July 2009 01:06

Charlie Kelly

Messages: 276
Registered: July 2009

Senior Member

Suppose that a setter method within a model throws an Exception.
Is is possible the catch this within databinding?
Within an instance of UpdateValueStrategy?

If yes to either, how?
Where can I find documentation.

Also, suppose that a model wants to veto a property change?
How can this be handled within databinding?

In advanced, thanks for your help.

Charlie

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Re: [Databinding] Exceptions + Vetoable Changes [message #371879 is a reply to message #370161]

Wed, 29 July 2009 07:36

Thomas Schindl

Messages: 6651
Registered: July 2009

Senior Member

If your setter throws an Exception IIRC this is tracked in the status of
the binding but normally this should be prevented by defining your
custom IValidator for the binding.

Tom

Charlie Kelly schrieb:
>
> Suppose that a setter method within a model throws an Exception.
> Is is possible the catch this within databinding?
> Within an instance of UpdateValueStrategy?
>
> If yes to either, how?
> Where can I find documentation.
>
> Also, suppose that a model wants to veto a property change?
> How can this be handled within databinding?
>
> In advanced, thanks for your help.
>
> Charlie
>
>

Report message to a moderator

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