public bool RemoveUserFromRole(string userId, PortalRole roleName)
        {
            var result = userManager.RemoveFromRole(userId, roleName.ToString());

            return(result.Succeeded);
        }
        public bool AddUserToRole(string userId, PortalRole roleName)
        {
            var result = userManager.AddToRole(userId, roleName.ToString());

            return(result.Succeeded);
        }