Compiling MVC 3 views with view helpers on build server fails

Question

I had set up the MvcBuildViews element to true so my MVC 3 project would compile the views as well.

However, because of that, our build server is failing the builds. I had searched around for possible causes but my problem seems to be different from the common ones:

Error: _Layout.cshtml(xx): The name "Element" does not exist in the current context.

In this case Element is a reference we're making to a Helper view, calling one of its methods.

Any idea what the problem may be?

(by the way, the build server is TFS2010)

It's a really big file and I can't really show the code for NDA agreement. Still, what is it exactly you wanted to check? The specific line with the error was nothing more that a Helper call: @helper PutElement() { @Element.Method(param, param, param) } — Alpha
– Alpha, Commented Mar 15, 2012 at 15:52

Alpha · Accepted Answer · 2012-03-21 20:15:05Z

I have found the issue underlying my problem. I'm updating here so that everyone can learn from my situation.

The TFS build server kept failing so for the sake of moving on with the project, I just edited the MVC project so it wouldn't compile the views on the server, but just on our dev machines. In order to do that, I changed from

  <Target Name="MvcBuildViews" AfterTargets="AfterBuild" Condition="'$(MvcBuildViews)'=='true'">

to

  <Target Name="MvcBuildViews" AfterTargets="AfterBuild" Condition="'$(MvcBuildViews)'=='true' AND '$(BuildingInsideVisualStudio)'=='true'">

When we took this all and deployed the builds to an actual environment, I found that the very same error popped out on our deployed environment. I went and took a look into the deployment package, only to find that my helper view Element.cshtml was not in the App_Code folder, where it was supposed to be.

I opened the project file up again and searched for the reference to that file. I found that in that specific reference, the setting was

<None Include="App_Code\Element.cshtml" />

instead of

<Content Include="App_Code\Element.cshtml" />

I just changed the way the reference was made (dunno how it got that way) and everything worked like a charm.

Moral of the story: Pay attention to what the error says.

Now I'm curious about why wouldn't it fail on our dev machines. Probably because the build server has a different output folder and so it wouldn't find the .cshtml in the output? Maybe that's something for some other question...

Mohamed.Radwan -MVP · Accepted Answer · 2012-03-18 14:45:27Z

0

Did you see this post? http://haacked.com/archive/2011/05/09/compiling-mvc-views-in-a-build-environment.aspx

answered Mar 18, 2012 at 14:45

Mohamed.Radwan -MVP

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1 Comment

Alpha Over a year ago

Thanks, yes, I did. My project is MVC 3 so I don't have that problem (I verified the project file.) Also, the error I get seems to be different from the one that is commonly known (the one explained by Phil Haack).

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