>Hi,
>
>I have an application (with the source) created on VS 2005 (C#2.0). The application works on mobile device with .net 2.0 installed. I need to recompile it to make it work on a mobile device (Windows Mobile 6.5) where .net 3.5 is installed. Do I need to have a VS 2008 or VS2010 (which I don't have)? Or can I do it at a command prompt on the computer where .net 3.5 is installed?
>
>TIA for any suggestions.

I'm not sure why you'd need to recompile at all. .NET 3.5 is just a bunch of extensions to .NET 2.0 so you should just be able to copy the app onto the device and run it. BTW - Windows Mobile 6.5 isn't supported by VS 2010, so those projects are stuck in VS 2008 and earlier.