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Asked: 2026-05-10T14:24:30+00:00

I have a need to create a transactional process using an external API that

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I have a need to create a ‘transactional’ process using an external API that does not support COM+ or .NET transactions (Sharepoint to be exact)

What I need to do is to be able to perform a number of processes in a sequence, but any failure in that sequence means that I will have to manually undo all of the previous steps. In my case there are only 2 types of step, both af which are fairly easy to undo/roll back.

Does anyony have any suggestions for design patterns or structures that could be usefull for this ?

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  1. If your changes are done to the SharePoint object model, you can use the fact that changes are not committed until you call the Update() method of the modified object, such as SPList.Update() or SPWeb.Update().

    Otherwise, I would use the Command Design Pattern. Chapter 6 in Head First Design Patterns even has an example that implements the undo functionality.

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