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Will the ADO.net 2.0 provider support multiple open datareaders?

Standard OleDB/Oracle drivers support it, and the SqlClient supports it with MARS...

Thanks

This behavior does not depend on .NET Framework version, this is the restriction of MySQL Server protocol.
To use multiple open datareaders you have to set MySqlCommand.FetchAll = true. For more information about this property refer to MySQLDirect .NET documentation.