c# - Entity Framework - ContextBuilder namespace -

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possible duplicate:
where entityconfiguration in ef4 vs 2010 rtm?

i apologize if seems excessively dumb question.

i trying use contextbuilderclass generate context. unable find proper assembly , namespace use though.

just reference on full install of vs 2010 pro.

i asked team , here response:

right entity framework feature ctp contains latest bits of code-first , compatible ef4 rtm. please, find here: http://www.microsoft.com/downloads/details.aspx?familyid=af18e652-9ea7-478b-8b41-8424b94e3f58&displaylang=en.


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