When is a ASP.NET Project Not an MVC Project?

December 27, 2008
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I am working on a hybrid ASP.NET MVC and MVC Dynamic Data project. To work on it I started with the MVC Dynamic Data project assuming this would be a Dynamic Data Project and an MVC project. As Scott Hanselman recently posted, you can mix and match pretty easily so the code was working but I was missing an important piece of functionality in Visual Studio:

My project wasn’t being showing these items (or other menu options specific to MVC apps). I suspected it was some magic in the project file so I opened it up in my favorite editor:

<Project ToolsVersion="3.5" 
    <Configuration Condition=" '$(Configuration)' == '' ">
    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>

The missing bit was a special ProjectTypeGuid: {603c0e0b-db56-11dc-be95-000d561079b0}. You need to add this to the existing ASP.NET project’s ProjectTypeGuid list in the project file and magically the project item types appear.