我怎么能（美国人）测试我的ASP.NET / SQL Server应用程序是否正确处理德国的小数

In the US, you use a "." as the separator, but in Germany you use a ",". I'm trying to test whether my logic is smart enough to handle either one but I seem to be failing to put my Windows 2000 machine into German mode.In the US, you use a "." as the separator, but