public void UpdateName(int id)
        {
            SiteRole role   = roleService.GetById(id);
            String   target = ctx.Post("Name");

            if (strUtil.IsNullOrEmpty(target))
            {
                errors.Add(lang("exName"));
                run(Rename, id);
                return;
            }
            role.Name = target;
            roleService.UpdateSiteRole(role);
            log(SiteLogString.UpdateSiteRoleName(), role);

            echoToParentPart(lang("opok"));
        }