static void Main(string[] args)
{
Startup.Init <Product>("http://localhost:8983/solr/demo");
ISolrOperations <Product> solr = ServiceLocator.Current.GetInstance <ISolrOperations <Product> >();
//IQueryable<ISelectExpandWrapper> sr = solr.AsQueryable().OData().Filter("Id ne null and Price gt 0").OrderBy("Id desc").TopSkip("1", "1")
// .SelectExpandAsQueryable("Id,Price,Categories");
//Console.WriteLine(sr.GetType());
//Console.WriteLine(sr.ToJson());
SolrQueryResults <ISelectExpandWrapper> results = solr.AsQueryable().OData().Filter("Id ne null").OrderBy("Id desc").TopSkip("1", "1")
.SelectExpandAsQueryable("Id,Price,Categories").ToSolrQueryResults();
Console.WriteLine(results.NumFound);
Console.WriteLine(results.ToJson());
}