Tutorial for Windows Worflow Foundation (WF)

I just need videos or tutorial to teach me how can I pass parameters ( values or objects ) from DB to workflow and from my workflow to DB

I mean, when a value changes during the running of workflow开发者_Go百科 how i can update it in DB? I really need help, i very new in WF

We have some great resources for you in this blog post Want to Learn Windows Workflow Fondation? In particular, the Contoso HR Sample Application includes activities that read/write database using Entity Framework.