mike ← Customer Feedback for Data Access My feedback Designer support for GUID as Entity Keys 813 votes Vote Vote Vote Vote Sign in prestine Your name Your email address Check! invalid email (thinking…) Reset or sign in with UserVoice password Forgot password? Create a password I agree to the terms of service Signed in as (Sign out) Close Close 1 vote 2 votes 3 votes Remove votes You have left! (?) (thinking…) 16 comments · Entity Framework Feature Suggestions » tools · Flag idea as inappropriate…Flag idea as inappropriate… · Delete… · Admin → mike supported this idea · Sep 13, 2010 mike commented · Sep 13, 2010 · Delete… Yes! BUT please make sure they are sequential by date/time when generated!