.NET Tips and Tricksby Peter Vogel

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What Version of ASP.NET MVC Are You Using?

Prior to the pause in releases triggered by the latest structural changes to the .NET Framework, it seemed like the ASP.NET MVC team was releasing a new version in any month whose name ended with a letter. As a result, you could easily find yourself supporting multiple applications, each with its own version of ASP.NET MVC. Alternatively, you might have just taken over support for an ASP.NET MVC application and be wondering what version your application is using.

As an independent contractor, often faced with an application I've never seen before, I figure out the version by opening the Web.config file and doing a search on "System.Web.MVC". This is the element I currently find:

<dependentAssembly>
  <assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35"/>
  <bindingRedirect oldVersion="1.0.0.0-5.2.3.0" newVersion="5.2.3.0"/>
</dependentAssembly>

with the version number in boldface.

Posted by Peter Vogel on 07/29/2016


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