public ActionResult SavePermission(string rolePermissions)
        {
            ChangeRecords <SA_RolePermission> records =
                new StoreDataHandler(rolePermissions).BatchObjectData <SA_RolePermission>();

            foreach (var saRolePermission in records.Updated)
            {
                _service.InsertOrUpdateRolePermission(saRolePermission);
            }
            _service.Save();
            return(this.Direct());
        }