public ActionResult RoleRemove(ApplicationUser user, string RoleName)
        {

            UserRoleHelper helper = new UserRoleHelper();
            if (helper.IsUserInRole(user.Id, RoleName))
            {
                helper.RemoveUserFromRole(user.Id, RoleName);

            }

            return RedirectToAction("Index", "Home");

        }
        public ActionResult RoleAdd (ApplicationUser user, string RoleName)
        {
            
            UserRoleHelper helper = new UserRoleHelper();
            if(!helper.IsUserInRole(user.Id,RoleName))
            {
                helper.AddUserToRole(user.Id, RoleName);
             
            }

            return RedirectToAction("Users");

        }