SQLite is not working in firmware version 4.1.5.0 and 4.1.5.1. If you need to use SQLite please use firmware version 4.1.3.0
[url]http://www.ghielectronics.com/downloads/NETMF/GHI%20NETMF%20v4.1%20SDK(4.1.3.0).zip[/url]
The issue is already solved in the upcoming SDK which will be out soon.