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Microsoft® Windows® Workflow Foundation Step by Step by Kenn Scribner

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Chapter 12. Policy and Rules

After completing this chapter, you will be able to:

Most of us, I’m sure, are very comfortable writing imperative code. Imperative code is C# code that implements business processes through programmatic constructs—for example, reading a database table, adding the values from some columns in that table, and then writing the total into another database table.

In this chapter, however, we’ll dig into rules, which are mechanisms for controlling workflow execution but are considered declarative. Declarative code, in general, is code you create that isn’t compiled into assemblies but rather ...

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