[.Net] Can't find PInvoke DLL 'sqlceme35.dll

You need to install Compact on the device if you met the problem.


1. Copy the file sqlce.ppc.wce5.armv4i.CAB in the path 
C:\Program Files\Microsoft SQL Server Compact Edition\v3.5\Devices\wce500\armv4i into device or emulator


2. execute it on device.




Reference:
http://social.msdn.microsoft.com/Forums/en-US/sqlce/thread/8faa4e72-2dfe-44d4-b8b1-8fd64df01e7d/