title: Ado.Net data services
body: <p>I am trying out Ado.Net Data Services with this code and I get the following error when trying to access the service : 
  <strong>The server encountered an error processing the request. See server logs for more details.</strong>
  Any ideea why?</p>
  
  <pre><code>public class WebDataService : DataService&lt;DemoData&gt;
  {
  
      public static void InitializeService(IDataServiceConfiguration config)
      {
      config.SetEntitySetAccessRule("*", EntitySetRights.All);
      config.SetServiceOperationAccessRule("*", ServiceOperationRights.All);
      }
  }
  
  public class DemoData
  {
      private int[] _Ints = { 4, 2, 1, 2};
  
      public IQueryable&lt;int&gt; Ints
      {
          get
          {
              return _Ints.AsQueryable&lt;int&gt;();
          }
      }
  }
  </code></pre>