Simply inject IUnitOfWork into your service or any other class that needs transactions.
Links to get your started:
https://genericunitofworkandrepositories.codeplex.com/wikipage?title=Services%20Pattern%20Example&referringTitle=Documentation
https://genericunitofworkandrepositories.codeplex.com/wikipage?title=Transactions&referringTitle=Documentation
Links to get your started:
https://genericunitofworkandrepositories.codeplex.com/wikipage?title=Services%20Pattern%20Example&referringTitle=Documentation
https://genericunitofworkandrepositories.codeplex.com/wikipage?title=Transactions&referringTitle=Documentation