Is there a way to build Dynamic Linq Queries in Silverlight?

1). I tried to Use ObjectQuery but doen't work in Silverlight

2). I tried to follow this article http://weblogs.asp.net/scottgu/archive/2008/01/07/dynamic-linq-part-1-using-the-linq-dynamic-query-library.aspx th开发者_如何学Gois too didn't work for me in Silverlight

so is there any way i can use,

var ase = a.Select("NEW(activity_date as date)");

in silverlight?

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Looks like the post and comments here outline modifications that can be made to Dynamics.cs to allow it to build for SL Projects.