title: Entity Framework for Portable Class Library
body: <p>I am trying to create Repository , Entity framework for Portable Class Library , when ever I try to Nuget EntityFramework</p>
  
  <p>it is Failed to add reference to 'System.ComponentModel.DataAnnotations'. Please make sure that it is in the Global Assembly Cache.</p>
  
  <p>Any Idea to resolve this for EF</p>
  
  <p>Compatible EF package for Portable Library</p>