In just 24 sessions of about an hour, you'll learn how to build robust, efficient business workflows with Windows Workflow Foundation (WF). Using a straightforward, step-by-step approach, each lesson builds the real-world foundation you need to succeed with WF from the ground up. Filled with hands-on code examples, this book walks you through creating every type of workflow supported by .NET 3.5's powerful new version of WF. One step at a time, you'll discover how to host workflows, manage workflow lifecycles, integrate with Web services and WCF applications, create custom activities, and moreeverything you'll need to solve real-world problems with WF! Step-by-step instructions carefully walk you through the most common WF questions, issues, and tasks. Q&As help you build and test your knowledge. Notes point out shortcuts, solutions, and potential problems to avoid. New terms are clearly defined and explained. Learn how to...* Understand the value of workflows and their role in general .NET and advanced business process management systems * Run workflows from and exchange data with .N ET applications * Create sequential, state-machine, and data-driven workflows * Define multi-level approval workflows that execute in parallel and escalate * Develop rulesets and manage them from SQL databases * Track your workflows to make them more agile and governable * Use Dynamic Update to change running workflows * Work with exceptions, compensation, and transactions * Expose workflows as Windows Communication Foundation (WCF) services and call Web services from workflows via WCF * Expose workflows as Web services and call Web services from workflows * Create basic, queued, event-driven, and composite custom activities