异常提示

Question

protected void Rp_CompanyList_ItemCommand(object source, RepeaterCommandEventArgs e)
    {
        if (e.CommandName == "DownLoad")
        {
            id = e.CommandArgument.ToString();
            if (id == "" || id == null)
            {
                Response.Write("<script>alert('编号为空,不可下载!')");
                return;
            }
            try
            {
                Response.Clear();
                Response.AddHeader("Content-Disposition", "attachment;filename=" + Server.UrlEncode(id + ".csv"));
                Response.WriteFile(Server.MapPath("DownLoad/" + id + ".csv"));
                Response.End();
            }
            catch (Exception error)
            {
                Response.Write("<script>alert('" + error.ToString() + "')");
            }
        }
    }为什么异常跳不出来啊？急 急 急 急 

Answer 1

大哥啊，你闭合啊 </script>
Response.Write("<script>alert('" + error.ToString() + "')</script>");