System.Data.SqlServerCE load problem - MSDN Forums

You have to install SQL Mobile on to your device. It is not a part of NETCF and ships as separate CABs.

These CABs can be found at this location:

%ProgramFiles%\Microsoft Visual Studio 8\SmartDevices\SDK\SQL Server\Mobile\v3.0\wce500\armv4i

sqlce30.phone.wce5.armv4i.CAB – SQL Mobile core – required.

sqlce30.dev.ENU.phone.wce5.armv4i.CAB – Query Analyzer tool and exception messages – optional

sqlce30.repl.phone.wce5.armv4i.CAB – Replication/RDA support –optional.

2021-12-02
2022-01-01
2021-06-04
2021-09-16
2022-02-10
2021-10-23
2021-11-27
2022-12-23