At first glance, Windows Workflow does a good job of persisting workflows to the database for long-running State Machine Workflows. However, what happens when you update your workflow assembly? Windows Workflow will try to retrieve the workflow from the SQL Persistence store and de-serialize the object...

While working on my .NET State Machine workflow today, I ran into an issue: I wanted to send an e-mail to a user every XX days to remind them to finish filling out a form, and I wanted those e-mails to continue being sent until the form had been filled out. At first I thought this would be a simple While...