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How can I separate the user interface from the logic?
To put it in more practical terms, nowhere within the source code files of the logic should you find any include/import/using statements that refer to UI files, while the source code files of the UI will be full of include/import/using statements that refer to Logic files.
How to keep UI and logic separate in C #?
By keeping to one of these you should be able to keep the various parts of your application separate. There are other patterns that do a similar job. Also, developing with WPF can help as the UI is defined by the XAML and the code that does the work is the C#.
How can I separate the user interface from the server?
All one needs to do is to employ loose coupling. Loose coupling means that A knows B, but B does not know A. In other words, the two parties involved play distinct client and server roles, where the client knows the server, but the server does not know the client.
What is the separation of concerns in Computer Science?
Separation of concerns. In computer science, separation of concerns (SoC) is a design principle for separating a computer program into distinct sections, so that each section addresses a separate concern. A concern is a set of information that affects the code of a computer program.
How is business logic as a separate layer?
ASP.NET MVC: Business Logic as a Separate Layer ASP.NET MVC offers a great way of how to separate different application layers. View layer is responsible for data representation, the controller layer is responsible for receiving and replying to requests, and models are used as two-way information carriers between the previous two layers.
Is it really possible to decouple the UI from the business?
The business logic sits at the centre and the UI sits on the outside. The idea is that the UI should not touch the business rules at all. It should be totally dumb and should just relay commands and display any updated output. The problem I have is that I find this quite difficult to imagine in practice.