Linq to DataTable

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            DBManager db = new DBManager();
            DataTable dt = db.Query("select * from T_User");
            var query = from val in dt.AsEnumerable() select val;
            query = query.Where(val => val.Field < Int32 >("id")> 10);
            foreach (var item in query)
            {
                Console.WriteLine(item.Field<Int32>("id").ToString()+"---"+item.Field<string>("name")+"---"+item.Field<string>("pwd"));
            }