public HttpResponseMessage RetornarSalas() { DataTable dt = adminDAO.BuscarSalas(); var salas = new object(); if (dt.Rows.Count > 0) { salas = dt.AsEnumerable().Select(row => new { Id = row.Field <int>("id"), Descricao = row.Field <string>("descricao") }).ToList(); } return(Request.CreateResponse(HttpStatusCode.OK, new { rooms = salas })); }