CODEWITHSUNDEEP
asp.net-mvcvisual-studio-2010windows-8visual-studio-2012
stoic
stoic

Reputation: 4830

The type System.Web.Mvc.TagBuilder exists in both libraries

I recently did a fresh install of my PC. After installing all tools like VS2010 and VS 2012 i started getting the following error when building my MVC Solution:

The type 'System.Web.Mvc.TagBuilder' exists in both 
'c:\Program Files (x86)\Microsoft ASP.NET\ASP.NET Web Pages\v1.0\Assemblies\System.Web.WebPages.dll' 
and 
'c:\Program Files (x86)\Microsoft ASP.NET\ASP.NET WebPages\v2.0\Assemblies\System.Web.WebPages.dll'

I am usaing Windows 8, the Web Application targets .net 4.

How can i remove this conflict?

Upvotes: 1

Views: 2525

Answers (1)

John Landheer
John Landheer

Reputation: 4019

In the <runtime> section of your web.config add:

  <dependentAssembly>
    <assemblyIdentity name="System.Web.WebPages" publicKeyToken="31bf3856ad364e35" culture="neutral" />
    <bindingRedirect oldVersion="0.0.0.0-2.0.0.0" newVersion="2.0.0.0" />
  </dependentAssembly>

Upvotes: 1

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