public async Task <IActionResult> Create(FullDataUserAccountDTO userAccount)
        {
            if (userAccount == null)
            {
                return(RedirectToAction(nameof(Error)));
            }

            try
            {
                await _userService.Create(userAccount.ToUser());

                return(RedirectToAction(nameof(Index)));
            }
            catch (Exception e)
            {
                ViewData["UserExist"] = "User Exist!";
                return(View());
            }
        }