protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { if (Request.QueryString["para"] != null) { para = Request.QueryString["para"].ToString(); pageNumber = int.Parse(Request.QueryString["pageNumber"]); } if (Request.QueryString["delete"] != null) { string tId = Request.QueryString["tId"]; string res = topicBll.DeletePracTopic(tId); if (res == "success") { SuAlert("删除成功"); } else { errAlert(res); } } BindTopic(); } }