Rename the site to Csharp-Android-SQLforums.com, put C# and C++ and DATA Development to the top of the forums send an email to everyone that this is the new site and that's about it.
Seriously, I think this might just work.
But in the good spirit of VB.netship I try to write everything I do in the company I work in VB (few exceptions aka hate MVC, if needed I would go PHP or classic ASP.NET for server, everything else in Javascript).