public string SelectHistorial(string stObj) { JObject Jobj; clsHistorial objClsHistorial; try { Jobj = JObject.Parse(stObj); objClsHistorial = new clsHistorial(); return(JsonConvert.SerializeObject(objClsHistorial.SelectHistorial(Convert.ToInt64(Jobj["rec_IDReclamo"])))); } catch (Exception ex) { return(ex.ToString()); } finally { Jobj = null; objClsHistorial = null; } }