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How can I see the current value of workflow variables when debugging a WF 4 Workflow Service (hosted in IIS 7.5 / AppFabric)?
I attach Visual Studio 2010 to w3wp.exe but when a breakpoint on an activity is hit, only the following parameters are shown in the "Locals" debugger window:
Trying to add a workflow variable manually to "Watch" results in "The name 'xyz' does not exist in the current context".
Am I doing something wrong? Is my environment messed up (a Windows Server 2008 R2 machine with VS 2010 and VS 11 Beta installed - is it possible that VS 11 broke something)?
Any ideas?
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Workflow variables provide the ability to store data somewhere in order to use it in the conditions and actions within the workflow. Different types of data can be stored in a workflow variable. A workflow variable can also be used to get data from users on workflow start.
You can assign variables in a workflow by using an assign step or by assigning them as the result of a call step. Assigning a variable creates a variable in the current scope (in this document, see Variable scope). You can also access HTTP response information stored in a variable using the built-in parser.
You can see the values of the variables and more with the built-in IIS management console. As @Vivek stated you could also build your own custom tracking mechanism but that doesn't sound like what you're needing here.
Essentially you just need to turn the logging up a bit so it's more diagnostic and you will be able to see that information on the live running workflows that are running in AppFabric.
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