How deep are you diffing? You could always do some kind of MemberwiseClone
before making any changes.

On Wed, May 27, 2009 at 12:12 PM, Fred F. <[email protected]> wrote:

>
> Thanks for your comment!
>
> I have to create some kind of journal. For this reason I have to store
> the unchanged data in another table. As my object is already changed,
> I have to load the origin data again from the database and copy the
> single fields to another BusinessObject.
>
> Can I open two sessions simultanously? I always thought, that this
> would cause an error...?
> >
>

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