protected void Page_Load(object sender, EventArgs e)
        {
            cid = RequestData.Get <string>("cid");

            SysParameter ent = null;

            switch (this.RequestAction)
            {
            case RequestActionEnum.Delete:
                ent = this.GetTargetData <SysParameter>();
                ent.DoDelete();
                this.SetMessage("删除成功!");
                break;

            case RequestActionEnum.Custom:
                IList <object> idList = RequestData.GetList <object>("IdList");

                if (idList != null && idList.Count > 0)
                {
                    if (RequestActionString == "batchdelete")
                    {
                        SysParameter.DoBatchDelete(idList.ToArray());
                    }
                }
                break;

            default:
                if (!String.IsNullOrEmpty(cid))
                {
                    SearchCriterion.SetOrder("SortIndex");
                    SearchCriterion.SetSearch("CatalogID", cid);

                    ents = SysParameterRule.FindAll(SearchCriterion);
                    this.PageState.Add("SysEnumerationList", ents);
                }
                break;
            }
        }