Entity Framework in layered architecture

Question

I am using a layered architecture with the Entity Framework. Here\'s What I came up with till now (All the projects Except UI are class library):

• Enti

Answer 1

The problem is that I have to define the entities connection string in my UI's web.config/app.config otherwise I get a runtime exception.

The connection string is always picked up from the app.config/web.config of the executing appDomain (here your asp.net app and not the DAL). So wat you can do is create a xml file for storing settings in your DAL project and read those settings using xml classses provided by dot net framework