The WinClient Installation Guide says that DevForce WinClient supports all databases that support the Microsoft Entity Framework including Sybase SQL Anywhere. Hower note that the WinClient Installation Guide makes no claim that Sybase ASE is supported.
Currently, I can find no evidence that Sybase will support Sybase ASE on the Microsoft Entity Framework. You might want to contact Sybase and find out what their plans are in this area.
Another alternative is to find a third party vendor that has a provider that supports Sybase ASE on the Entity Framework. It appears that DataDirect may have such a provider:
Here is a post that you may also find helpful:
Edited by davidklitzke - 20-Aug-2009 at 9:42am