Microsoft and Facebook has joint to be partner to provide a great development experience for the Facebook Platform using Microsoft Popfly and Visual Studio Express.

If you have a Facebook account and want to do more try the Facebook Developer Toolkit. This toolkit offers you a huge amount of easy-to-use components and controls, plus ready-to-run samples and detailed documentation to get you started. With Visual Studio Express Editions and the Facebook Developer Toolkit, you'll have the tools you need to get going today!

Here are some additional links:
Getting Started with the Facebook Developer Toolkit
read here...

Developing Facebook applications in C# with ASP.NET
read here...

Facebook application development in ASP.NET
read more...

Visual Studio Starter Kit for Facebook application development
readmore...


Download Visual Studio Express

Facebook Developer Toolkit (1.6 MB) - From Microsoft

Facebook Developer Toolkit Version 1.6
Binaries.zip (321K)
Documents.zip (308K)
Source.zip (3506K)