protected void DeleteMyComment_Button_Click(object sender, EventArgs e) { if (Session["UserInfo"] != null) { MessageInfo mycomment_ = new MessageInfo(); mycomment_.MessageID = int.Parse(mycomment.Tables["CourseComment"].Rows[0]["CommentID"].ToString()); if (1 == mycomment_.DeleteComment()) { AllDataBind(); } else { AllDataBind(); ScriptManager.RegisterStartupScript(Page, GetType(), "deletefailed", "alert('删除失败或评论不存在');", true); } } else { HttpContext.Current.Response.Write("<script type='text/javascript'>alert('闲置时间过长,请重新登录');location.href='" + Request.Url.AbsoluteUri + "'</script>"); } }