protected void Lnk_Click(object sender, GridViewCommandEventArgs e)
        {
            if (e.CommandName == "Rec")
            {
                this.ModelID = DataConverter.CLng(base.Request.QueryString["ModelID"]);
                this.bll.Reset(e.CommandArgument.ToString());//将状态改回0
                Response.Write("<script language=javascript>alert('还原成功!');location.href='PageRecyle.aspx?ModelID=" + ModelID + "';</script>");
            }

            else if (e.CommandName == "Del")
            {
                bll.Del(Convert.ToInt32(e.CommandArgument));
                function.WriteSuccessMsg("删除成功");
                HttpContext.Current.Response.Write("<script>alert('删除成功');location=location;</script>");
            }
        }//还原与删除