WinCE4.2 Add ADOCE

To use the ADOCE control, you need the following software：

1. Microsoft Windows CE Services version 2.1 or later。
2. Microsoft Windows NT Workstation version 4.0 or Windows 95 or 98 Microsoft Windows CE Platform SDK for the device you are using。
3. Microsoft Visual Basic Professional Edition version 6.0, development system or Microsoft Visual Basic Enterprise Edition version 6.0。
4. Microsoft Windows CE Toolkit for Visual Basic version 6.0。

The ADOCE control is included in the Windows CE Toolkit for Visual Basic.
Please refer http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnce30/html/adoce30.asp
Add SQL Server CE 2.0 component。