Transactions in mvc

Guys,

Where my transactions ( commit and Rollback ) should be seated ? in Controller or in my Services.

I've got the follow cenarios. ( WPF -> WCF -> DB )

Many Thanks
MortarelloAsked:
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ambienceCommented:
>> Where my transactions ( commit and Rollback ) should be seated ?

This is not the right question to ask in a distributed transactions scenario because conceptually there is no centralized control of commit/rollback. All participants have equal right to commit or rollback, unless ofcourse if you design your services to refrain from doing any commit and rollback.

WCF neatly encapsulates transaction scope such that a service can either enlist in clients provided transaction or if the client does not provide any then it starts a new scope. I think the right way to do this would be to keep the services flexible enough. Check this for example http://msdn.microsoft.com/en-us/magazine/cc163432.aspx

This way in future if you want the client to control transaction like for example should you wish to use Transactional FileSystem API to tie in file operations inside the same transaction then that would work seamlessly with existing services.
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MortarelloAuthor Commented:
Thanks Man
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