How to Start My Application Following Technology.

Jul 6 2013 3:17 AM

Hi

I start My Application in ASP.NET MVC3, WCF, and Entity Framework.

But I have No Idea How to start this any one post step by step
i need most urgent

1.What is Interface and T

I Refered this url
http://www.codeproject.com/Articles/434282/A-N-Tier-Architecture-Sample-with-ASP-NET-MVC3-WCF

but how to implemented this any one post simplify