Working with the .net framework 3.0

Hello!

Will the apps I have developed with the .net framework 2.0 work on version 3.0?
How do I develop apps for .net framework 3.0?

Thanks!

check these links

http://www.vbforums.com/showthread.p...&highlight=3.0
http://www.vbforums.com/showthread.p...&highlight=3.0