public async Task <ActionResult> Create(ClientCreateModel model)
        {
            if (ModelState.IsValid)
            {
                CreateClientCommand createClientCommand = model.ToCreateClientCommand();
                createClientCommand.CreatedBy = User.Identity.Name;
                createClientCommand.CreatedOn = DateTime.Now;

                int result = await Mediator.Send(createClientCommand);

                if (result > 0)
                {
                    return(View("List"));
                }
                else
                {
                    ModelState.AddModelError("", "Thêm Client thất bại");
                }
            }

            model.AvailableClaims = await GetClaims();

            model.AvailableScopes = await GetScopes();

            model.InitData();

            return(View(model));
        }