ASP.NET MVC 3 framework requirement for DevExpress MVC Extensions in v2012.2

ASP.NET Team Blog
03 December 2012

Starting with the DXperience v2012.2 release, you'll need to use ASP.NET MVC 3 or above.


We're making the move to the ASP.NET MVC 3 framework in this next release because we would like to take advantage of the new functionality in order to provide you with better features now and in the future.

There have been many new valuable features in ASP.NET MVC 3, such as:

- Integrated Scaffolding system extensible via NuGet
- HTML 5 enabled project templates
- Expressive Views including the new Razor View Engine
- Powerful hooks with Dependency Injection and Global Action Filters
- Rich JavaScript support with unobtrusive JavaScript, jQuery Validation, and JSON binding
- Read the full feature list below


What does that mean for you?

1. You will need to have the ASP.NET MVC 3 framework (or higher) installed in order to use DevExpress MVC extensions v2012.2 and higher.
2. If you upgrade to DXperience v2012.2 and don’t have MVC 3 installed, then it will cause a breaking change. The MVC extensions will not work. To fix this, simply install ASP.NET MVC 3 or higher. (Note: ASP.NET MVC 4 is backwards compatible with ASP.NET MVC 3.)


What about ASP.NET MVC 2.0?

If you still need to use DevExpress MVC extensions with ASP.NET MVC 2.0 then you'll have to continue using DXperience v2012.1. Do not upgrade. Please note though that, although we shall continue to provide bug fixes to this earlier version as part of our support, we will not be adding new features and extensions to it.

However, we will not be updating older versions like v2012.1 to add new features and extensions. It would require us to write for 2 different MVC frameworks which is not feasible.

My recommendations:

1. If you cannot upgrade to MVC 3 then stay with DXperience v2012.1 release.
2. If you can upgrade your MVC then get latest version of DXperience (v2012.2 as of this post).


ASP.NET MVC 3 requires .NET Framework 4+ version.


Thanks and be sure to check out the demos of the latest DevExpress MVC features in this release.


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