private void BindDropDown()
    {
        if ((int)Session["OwnerType"] == 3)
        {
            if (ddl_FitSalesArea != null)
            {
                ddl_FitSalesArea.DataTextField  = "Name";
                ddl_FitSalesArea.DataValueField = "ID";
                ddl_FitSalesArea.DataSource     = CM_RTSalesArea_TDPBLL.GetRTSalesArea_ByTDP((int)Session["OwnerClient"]);
                ddl_FitSalesArea.DataBind();
                ddl_FitSalesArea.Items.Insert(0, new ListItem("不限区域", "0"));
            }

            if (ddl_FitRTChannel != null)
            {
                ddl_FitRTChannel.DataTextField  = "Name";
                ddl_FitRTChannel.DataValueField = "ID";
                ddl_FitRTChannel.DataSource     = CM_RTChannel_TDPBLL.GetRTChannel_ByTDP((int)Session["OwnerClient"]);
                ddl_FitRTChannel.DataBind();
                ddl_FitRTChannel.Items.Insert(0, new ListItem("不限渠道", "0"));
            }
        }

        tr_Category.DataSource = PDT_CategoryBLL.GetListByOwnerClient((int)Session["OwnerType"], (int)Session["OwnerClient"]);
        tr_Category.DataBind();
        tr_Category.SelectValue = "1";
    }