public async Task <RespuestaJson> agregar([FromBody] Comentario result)
        {
            try
            {
                await Db.Connection.OpenAsync();

                result.Db = Db;
                await result.Insertar();

                return(new RespuestaJson(true, null, result));
            }
            catch (Exception ex)
            {
                return(new RespuestaJson(false, ex.Message.ToString(), null));
            }
        }