Below is a detailed table of differences. But during an interview it’s difficult to talk about all of them due to time limitation. So I have highlighted the important differences that you can run through before the interviewer.
| MVC 2
|
MVC 3
|
MVC 4
|
- Client-side validation
- Templated Helpers Areas
- Asynchronous Controllers
- Html.ValidationSummary Helper Method
- DefaultValueAttribute in Action-Method
- Parameters binding
- Binary data with Model Binders
- DataAnnotations Attributes
- Model-Validator Providers
- New RequireHttpsAttribute Action Filter
- Templated Helpers
- Display Model-Level Errors
|
- Razor
- Readymade project
- templates
- HTML 5 enabled templates
- Support for Multiple View Engines,
- JavaScript, and AJAX
- Model Validation
- Improvements
|
- ASP.NET Web API
- Refreshed and modernized default project templates.
- New mobile project template.
- Many new features to support mobile apps
- Enhanced support for asynchronous methods
|
