In my Helix based solution, every time I publish a change to a feature project and load the site I get this error below.

The error goes away when I publish the website project in the project layer. So every time I publish a feature project in my development box I'm having to republish the website project as well.

Any ideas on how to troubleshoot this? I can't find "using code" anywhere in my solution.

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  • Right click > Find Reference. You tell us where it is.
    – Chris Auer
    May 27 '18 at 16:41
  • What do you mean; "where is it defined?" It's defined right there. It's your code.
    – Mark Cassidy
    May 27 '18 at 18:20
  • There is no reference to "using code" anywhere in my solution. Seems to be something that ASP.Net generates when it is compiling my default layout View file? I can only see it in the Temporary ASP.NET Files folder
    – Vivek Ayer
    May 27 '18 at 18:38
  • OK, I think Visual Studio is holding on to a reference somewhere.Since I create all my projects calling it "code" to create the code folder following Helix conventions and then rename it to the actual project. But as far as I can tell I changed all references to "code" and as mentioned it works when I just recompile the project again. Very Odd
    – Vivek Ayer
    May 27 '18 at 18:47
  • 1
    No, it definitely isn't Visual Studio holding a reference. I'm pretty sure it's because you trigger a recompilation of the views when you publish the feature - these are by default not precompiled.
    – Mark Cassidy
    May 28 '18 at 9:21

I've resolved the issue. I was looking for "using code" in my solution and wondering where that reference came from, but what I should have been looking for is

<add namespace="code" />

I found this in the Views folder web.config of all of my Feature projects. Since I was creating all my projects using the name "code" to follow the Helix module structure and then renaming them to the actual name I want, Visual Studio was adding that as a default namespace in the Views web.config folder.

    /[Module Name]

Hope someone finds this useful.

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