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Step 5: Let’s implement the logic for reading all Employees from the table.

wpf mvvm listview not updating-6

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.

The business layer is also termed as Model whereas the View Model layer is responsible for exposing data objects from model to the UI using Data Binding.

The MVVM Light toolkit can be downloaded from https://mvvmlight.codeplex.com/. Depending on your versions of Visual Studio, once the respective template is installed, the project template will be available as shown in Figure 1: The libraries provide classes for implementing View Models with notifiable properties, Command, etc.

Project templates for Visual Studio 20 can be downloaded at . If we need to add MVVM Light libraries in an already existing project, then we can make use of the Nu Get package to get these libraries.

For example, Model-View-Presenter (MVP) is suited for Windows Forms; Model-View-Controller (MVC) for ASP.

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