public string Add(string Json) { try { List <Entity> entities = JsonAdapter.AdaptEntityFromJson(Json); foreach (Entity item in entities) { string Sql = RowCollector.Insert(item, NpgController); NpgController.InvokeQuery(Sql); } return(new JObject().AddStatus("Success").ToString()); } catch (Exception ex) { return(new JObject().AddStatus(ex).ToString()); } }