How to save data in SQl server2012 using Entityframe Work6.o

Question

Hello friend.

 

How to save data in SQl server2012 using Entityframe Work6.o in VS 2013?

I followed the same as entityfame work4.0 in VS 2010.

 

This is error

Feedback s = new Feedback();
s.Name = ent.Name;
s.Email = ent.Email;
s.Message = ent.Message;
context.Feedbacks.Add(s);here error present add method
context.SaveChanges();