public ActionResult <List <UserDTO> > GetAllUsers() { try { List <UserDTO> usersDTO = serviceClient.GetAllUsers(); return(usersDTO); } catch (AggregateException ax) { var err = ""; foreach (var errInner in ax.InnerExceptions) { err = errInner.Message; } return(BadRequest(err)); } catch (Exception ex) { return(BadRequest(ex.Message)); } }