BD acesso = new BD("server=localhost;user id=root;password=gt512M4a1;port=4500;database=letswapp;persistsecurityinfo=True;Integrated Security=True");

                acesso.TipoComando = CommandType.StoredProcedure;

                acesso.AddParameter("_Id", null);

                DataTable dt = acesso.ExecuteDataTable("procUsuarioSELECT");