VB.Net dynamic SQL WHERE DateField = ‘2012-12-13’ converts to US date and possibly throws error if then invalid

VB.Net dynamic SQL WHERE DateField = ‘2012-12-13’ converts to US date and possibly throws error if then invalid

Was only happening on Windows XP, possiby 32-bit computers.
Windows 7 64-bit were ok.

In this case it was against a view. Solved by changing view:

SELECT ts.JobSheetID
, CAST(js.DateMJSAASdatetime2(0)) AS DateMJSA
,js...
FROM