ASP.NET MVC is a web application framework developed by Microsoft that allows developers to build dynamic, data-driven web applications using the Model-View-Controller (MVC) pattern.

The MVC pattern separates an application into three main components:

  1. Model: represents the application’s data and business logic.
  2. View: displays the data to the user and handles user input.
  3. Controller: processes user input, interacts with the model and selects the appropriate view to render.

ASP.NET MVC provides a number of features to make building web applications easier, such as routing, which maps URLs to controllers and actions, and model binding, which simplifies the process of binding user input to model properties.

Some of the benefits of using ASP.NET MVC include:

  1. Separation of concerns: the MVC pattern helps developers to write clean, maintainable code by separating application logic into distinct components.
  2. Testability: the separation of concerns also makes it easier to write unit tests for individual components of the application.
  3. Flexibility: developers have fine-grained control over the HTML, CSS, and JavaScript that is generated by the application, allowing them to create highly customized user interfaces.
  4. Extensibility: ASP.NET MVC can be extended using third-party libraries and plugins, making it easy to add new functionality to an application.

Overall, ASP.NET MVC is a powerful web application framework that can help developers build scalable, maintainable, and highly customizable web applications.