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Question: What is Model–View–Controller or MVC

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User: mohit555 Post Date: 27 Apr 2011 02:12

Introduction:
What is Model–View–Controller or MVC



Answer:
Model–View–Controller (MVC) is an architectural pattern used in software engineering. The pattern isolates application   logic component from input and presentation component, permitting independent development, testing and maintenance of each   component.

The model is the domain-specific presentation of the data upon which the application operates.

The view renders the model into a form suitable for interaction.

The controller receives input and initiates a response by making calls on model objects

An MVC application may be a collection of model/view/controller collections, each responsible for a different UI element.

Example:

MVC in a web applications:

View is the HTML generated by the application.

controller receives GET or POST input and decides what to do with it,

Model objects contain the business rules(BAL Layer) and know how to carry out specific tasks such as registering a new user.



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