title: Microsoft.SolverFoundation.Common and Microsoft.SolverFoundation.Services dll missing in c#
body: <p>Actually i want to use solver in my C# application. To add it as reference i downloaded and installed <a href="https://msdn.microsoft.com/en-us/devlabs/hh145003" rel="nofollow">solver dll download</a>  in this site .
  Then in my project i selected </p>
  
  <p><strong><code>Add-&gt;Reference-&gt;Browse-&gt;MicrosoftSolverFoundationForExcel.dll</code></strong> . 
  Now if i try to use <code>using Microsoft.SolverFoundation.Common;</code>
  and <strong>using <code>Microsoft.SolverFoundation.Services;</code></strong> , it is giving error while compiling. But if i use <strong>using <code>Microsoft.SolverFoundation</code></strong> it is not giving any errors. Please guide me how to add these missing dll's.</p>