dynamic connection string

Hi,

I am working in .net 3.5 Windows app (VB.NET) AND linq

I have a login screen say(User name, Password and Server(Test,Production as combo))

On selection on Server type, My application should get respective Connection strings .. i.e Respective Server

Did any body worked on these, If yes please share to me..

Any help is appreciable

Regards,
kishore . J
+9962787618