public ActionResult ManageUserRoles(string selectedRole, string id) { var userDB = UserHelper.GetUserById(id); var roles = UserHelper.GetRoles(id).ToArray(); UserHelper.RemoveFromRoles(id, roles); UserHelper.AddToRole(id, selectedRole); //: Refresh authentication cookies so the roles are updated instantly //var signInManager = HttpContext.GetOwinContext().Get<ApplicationSignInManager>(); //signInManager.SignIn(userDB, isPersistent: false, rememberBrowser: false); return(RedirectToAction("Index")); }