/*jquery easyui 数据格式{total：22，rows：[]}*/
            int pageIndex = Request["page"] == null ? 1 : int.Parse(Request["page"]);
            int pageSize = Request["rows"] == null ? 13 : int.Parse(Request["rows"]);
            String userName = Request["UserName"];
            String userPwd = Request["UserPwd"];
           
            UserInfoSearchParams pParams = new UserInfoSearchParams { PageIndex = pageIndex, PageSize = pageSize, Total = 0, UserPwd = userPwd, UserName = userName };
            var userInfoList = _userInfoService.GetUserInfos(pParams);

            //var userInfoList = _userInfoService.GetPagerEntites(pageSize, pageIndex, out totalCount, u =>u.UserInfoId==userInfoId&&u.UserName==userName , u => u.UserInfoId, true); 
            //如果有循环依赖 会报exception 1.构造新的列 2.json.net
            var data = new { total = pParams.Total, rows = from user in userInfoList select new { user.UserInfoId, user.UserName, user.UserPwd, user.DelFlag, user.SubTime, user.LastLogoutDate, user.LastLoginIp } };
            return Json(data, JsonRequestBehavior.AllowGet);