title: How to group select new GetTable<>?
body: <pre><code>DataContext db = new DataContext(conString);
  var dvd = db.GetTable&lt;DvdList&gt;();
  var query = from b in dvd
              group b by b.CategoryId into g
              select new { CategoryId = g.Key, GetTable&lt;DvdList&gt;()= g };
  </code></pre>
  
  <p>The error occurs at <code>GetTable&lt;DvdList&gt;()= g</code></p>