title: C# using System.Data.Metadata.Edm
body: <p>I am trying to use EntityType class, but I get an error when I try to use it. I did some digging and it appears I need to use this System.Data.Metadata.Edm.</p>
  
  <p>I tried this...</p>
  
  <p><code>using System.Data.</code></p>
  
  <p>and I enter the . Metadata does not appear as an option....any suggestions</p>
  
  <p>I am new at this.</p>
  
  <p>I am using .NET Framework 3.5 </p>