ASP.NET MVC interview questions: - What are the differences between different versions of ASP.NET MVC - MVC2, MVC3 & MVC4?

These days one of the most favorite ASP.NET MVC interview questions of the interviewer.

ASP.NET MVC is the new flavor of ASP.NET technology for creating web based applications.With every release it introduced some new features. They are

MVC 2

Display and Editor Templates - Render display or editor controls based on data type of data model.
Areas - Break your project into modules.
Introduction to asynchronous controllers
Default Value attribute in action method
Data Annotations
ValidationSummary method inside HtmlHelper class
RequireHttpsAttribute
Support for HTTPPost,HTTPGet,HTTPPut and HTTPDelete attributes. - Make your action method request specific.

MVC 3

Introduction to ViewBag
Introduction to Razor
New Html5 enabled project templates
Support for creating user defined view engines
Global Action Filters
New action results like HttpNotFoundResult, RedirectPermanentResult, RedirectToRoutePermanent, RedirectToActionPermanent and HttpStatusCodeResult.
Unobtrusive validation and Ajax support
Client side validation support
Support for RemoteValidation
Easy injection of custom controllers, model binders, views, filters, Model Validation providers
NUGET support
More control over request validation - support for AllowHtml and ValidateRequest Attribute

MVC 4

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Also see following ASP.NET MVC interview questions video on how we can share data between controller and the view using viewdata: -