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Asked: 2026-05-27T00:07:26+00:00

I want change the default code generator of ASP.NET MVC and use Hanselman Way

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I want change the default code generator of ASP.NET MVC and use Hanselman Way but there is an error as following picture when add view from controller:

enter image description here

this is about two namespaces that not in mentioned assemblies: 1-DataAnnotations in System.ComponentModel 2-Linq in System.Data

Edit:

Also there is a Warning:

IntelliSense is not available for assembly ‘System.ComponentModel.DataAnnotations’ in the FREE EDITION. Please consider buying PRO EDITION from t4-editor.tangible-engineering.com

I also clear the Custom Tool property for each template.

How can I fix it?

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1 Answer

  1. Editorial Team

    1-Sure using a standard CodeTemplates one of them is here:

    C:\Program Files (or x86)\Microsoft Visual Studio 10.0\Common7\IDE\ItemTemplates\CSharp (or Visual Basic)\Web\MVC (or 2) 3\CodeTemplates

    2-Clear CustomTool Property for each Template.

    3-(If not work yet) Restart VS or close all opened Visual Studios and open your project again.

    4-(If not work yet) Restart IIS, and maybe need to restart Computer.

    5-(If not work yet) Update EntityFramework and restart vs

    6-(If not work yet) Open Visual Studio, go to Tools–>Extension Manager in Online Gallery Search and install: NuGet Package Manager (if not installed yet) Restart Visual Studio, now open Tools–>Library Package Manager–>Manage NuGet Packages.. in online part: search DataAnnotationExtension or DataAnnotationExtension.MVC3 and install it and restart VS.

    7-(If not work yet) I hope work as soon as possible.

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