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As a very basic example of So C, think about HTML, CSS and Java Script, where all these technologies have a well-defined purpose.
HTML defines the content structure, CSS defines content presentation and Java Script defines how the content interacts and behaves with the user.
To do so, open the View Model Locator class, and add the following line: The namespace for the Data Access Service class must be used in the View Model Locator class.
Step 5: Let’s implement the logic for reading all Employees from the table.
This article shows how to get started with MVVM development for WPF applications.
Separation of Concerns (decoupling) or So C is a principle that promotes best practices for software architecture.
The project will add necessary libraries and the ‘View Model’ folder with the following two classes: - Main View - This class is inherited from View Model Base class and it provides access to Raised Property Changed method for notifiable properties.
For eg: The UI can be a concern, the business logic can be another concern and so on.
XAML enables So C in WPF, Silverlight, Windows Phone, and Windows 8 apps by separating the GUI of the application from the programming logic (coded in C #or VB. Model-View-View Model (MVVM) is a design pattern that addresses So C by allowing separation of your Business logic from the View (UI), which ultimately makes it easier to write unit tests and enables parallel development and design.
It leverages the rich data binding capabilities of the XAML platform to expose the view model to the UI through the view's Data Context property.
NET MVC; Model-View-View Model (MVVM) works well with WPF and so on.
For those interested, there’s a good article by Martin Fowler which explains the differences in these patterns over here.