I just installed the ADO.NET connector from here http://dev.mysql.com/downloads/connector/net/
Yet MySQL doesn\'t appear as a data source like it should. I tried res
I found this on the MySQL support page for the Visual Studio connectors.
It appears that they do not support the MySQL to Visual Studio EXPRESS editions.
So to answer your question, yes you may need the ultimate version or professional edition - just not Express to be able to use MySQL with VS.
http://forums.mysql.com/read.php?38,546265,564533#msg-564533