Please try new beta version 4.20 available for download now.
In MySQLDirect .NET 4.20 Beta we introduced following features:
- Supported Visual Studio codename Orcas Beta 1
 - Supported .NET Entity Framework
 - Added support for x64 architecture
 - Enhanced command builder with generation of row refresh statements
 - Added detailed warning information to MySqlInfoMessage class
 - Added DbCommand.GetRecordCount() method to determine rows count of a request
 - Added INullable interface for provider specific types
 - Supported data binding for provider-specific types
 - Supported client side validation for huge MySqlDecimal objects
 - Network communication optimized for better performance
 - Added capability to store connection strings in a config file
 - Improved integration with MySQL Developer Tools
 - Extended drag'n'drop capabilities in DataSet Manager
 - Add-in menu moved to Visual Studio package
 - Demo projects reorganized
 - Added Ping demo project for Mobile Edition
 - Added support for DotNetNuke version 4.5.0.3
 
Core Lab development team
http://www.crlab.com/mysqlnet