I get this error message:

Reference required to assembly 'System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' containing the base class 'System.Data.Common.DbConnection'. Add one to your project.C:\CDR\DEMsql\DEMsql\clsDEMsqlServerCE.vb

I have System.Data referenced, it's 3.5 not 2.0 but...