title: ModelClientValidationRule conflict
body: <p>I have installed vs 2011 developer preview side by side with vs 2010. Now when i run my asp.net mvc 3 project in vs 2010 I am getting the following error in my project where i am using ModelClientValidationRule. </p>
  
  <blockquote>
    <p>The type System.Web.Mvc.ModelClientValidationRule exists in both
    c:\Program Files\Microsoft ASP.NET\ASP.NET MVC
    3\Assemblies\System.Web.Mvc.dll and c:\Program Files\Microsoft
    ASP.NET\ASP.NET Web Pages\v2.0\Assemblies\System.Web.WebPages.dll</p>
  </blockquote>
  
  <p>Is this related to vs 2011 conlict with vs 2010 or something else</p>