Create Three Tier Architecture Windows Application In C# .NET

A Complete Tutorial about How to Implement Three Tier Architecture in Windows Application (C# .NET)

What is Three Tier Architecture ?

Three-tier (layer) is a client-server architecture in which the user interface, business process (business rules) and data storage and data access are developed and maintained as independent modules or most often on separate platforms.

Three Layers

1) Presentation Layer (GUI Layer)

2) Business Layer
x Business Entity Layer (BELayer)
x Business Access Layer (BALayer)

3) Data Access Layer (DALayer)


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