How can I pass a lambda expression to a WCF service?

Question

My current project is using the IDesign architecture, so all of my layers are services. I wanted to have my Read method in the CRUD of my resource access layer take a predic

Answer 1

Create a Query Object and pass it to your services.

See if this helps:

http://ruijarimba.wordpress.com/2011/05/09/entity-framework-and-t4-generate-query-objects-on-the-fly-part-1/

An example:

var search = new AlbumSearch();
search.PriceFrom = 5;
search.PriceTo = 10;
search.Artist = new ArtistSearch(){ Name = "Metallica" };
search.Genre = new GenreSearch(){ NameContains = "Metal" };

var albuns = from x in repository.All(search.GetExpression())
                  select x;