Передача параметров между слоями внутри приложения

Designing Data Tier Components and Passing Data Through Tiers

Decoupling Business Logic Layer from the User Interface Layer using C#

Any sample C# project that highlights separate data access layer (using EF) to business logic layer

.NET 2.0 Generics - Load A Business Class In A Clueless Database Layer

Best Practice for Multi tier Applications Architecture

Multi-layered architecture for a Windows forms application


An Elegant C# Data Access Layer using the Template Pattern and Generics

Data Access Layer in C# using Repository and Data Mapper

How to handle input and parameter validation between layers?