public IActionResult UserList() { var user = _userManager.GetUserAsync(HttpContext.User).Result; var userRoles = _userManager.GetRolesAsync(user).Result; var list = AccountLogic.GetAccessUser(user, userRoles.ToList()) .Select(x => new Tuple <User, bool>(x, _userManager.GetRolesAsync(x).Result.Contains("Student"))) .OrderBy(x => x.Item2) .ToList(); return(View(list)); }