protected override Task HandleRequirementAsync(AuthorizationHandlerContext context, RoleRequirement requirement) { var claimsIdentity = (ClaimsIdentity)context.User.Identity; var checkClamsCount = claimsIdentity.Claims.ToList(); if (checkClamsCount.Any()) { var claims = claimsIdentity.Name; var getRole = _userLoginService.GetUserLoginByUsername(claims); var findRole = requirement.Role.FirstOrDefault(w => getRole != null && w.Contains(getRole.Role)); if (string.IsNullOrEmpty(findRole)) { context.Fail(); } else { context.Succeed(requirement); } return(Task.CompletedTask); } context.Fail(); return(Task.CompletedTask); }