3-tier - w3toppers.com

Business Layer in 3 tier Architecture

a 3 tier Architecture is composed by 3 Main Layers PL Presentation Layer BLL Business Logic Layer DAL Data Access Layer each top layer only asks the below layer and never sees anything on top of it. When They ask you about How will you build your BLL, you can write something like: namespace Company.BLL … Read more

What is difference of developing a website in MVC and 3-Tier or N-tier architecture?

They’re pretty much the same, however in 3-Tier, the top level (presentation) never directly communicates with the bottom layer (data persistence). In model-view-controller, theoretically the Model is supposed to ‘notify’ the View that it has changed so that the View can update. However, this is usually not an issue in most web applications because they … Read more