asp.net(C#) datagridview 如何实现单元格值更改后自动触发事件

Posted 2023-05-13

datagridview 如何实现单元格值更改后自动触发事件 而不像 CellValueChanged 更改时就触发，这个执行的太早了，我想要修改之后就自动执行某一事件!

参考技术A CellEndEdit事件 ！ 编辑停止后触发事件本回答被提问者和网友采纳 参考技术B datagridview 的事件中有个CellEndEdit事件 表示当前单元格的编辑模式停止时发生该事件 这个事件也许能满足你的需求 参考技术C 想知道你怎么解决的 我也遇到同样的问题

??????????????????asp.net(C#)????????????<???>

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???????????????http://www.cnblogs.com/valu/p/4339939.html

?????????????????????

        [HttpPost]
        public ActionResult index(decimal amount)
        {
            //????????????10??????????????????????????????????????????????????????????????????????????????????????????
            string order_no = DateTime.Now.ToString("yyyyMMddHHmmss") + TenpayUtil.BuildRandomStr(4);
            //???????????????????????????????????????


            ViewData["weixin_pay_qr_code"] = string.Format("/get_qrcode?product_id={0}", order_no);
            return View();
        }

 

??????????????????

        public void get_qrcode(string product_id)
        {
            WxPayHelper helper = new WxPayHelper();
            Dictionary<string, string> dic = new Dictionary<string, string>();
            dic.Add("appid", config_util.mp_weixin_appid);
            dic.Add("mch_id", config_util.weixin_mch_id);
            dic.Add("nonce_str", TenpayUtil.getNoncestr());
            dic.Add("product_id", product_id);
            dic.Add("time_stamp", TenpayUtil.getTimestamp());
            dic.Add("sign", helper.GetSign(dic));
            string url = WxPayHelper.FormatBizQueryParaMap(dic, false);//????????????url??????

            string code = "weixin://wxpay/bizpayurl?" + url;
            var qrc = Create_ImgCode(code, 6);
            System.IO.MemoryStream ms = new System.IO.MemoryStream();
            qrc.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp);
            byte[] bytes = ms.GetBuffer();  //byte[]   bytes=   ms.ToArray(); ??????????????????????????????????????????????????????
            ms.Close();


            Response.BinaryWrite(bytes);
            return;
        }

 

?????????????????????????????????

        public ContentResult index()
        {
            
            if (Request.RequestType == "POST")
            {
                try
                {
                    WxPayHelper helper = new WxPayHelper();
                    StreamReader reader = new StreamReader(Request.InputStream);
                    String xmlData = reader.ReadToEnd();
                    helper.ReceivePostXmlData(xmlData);
                    common_util.WriteLog("??????post??????xmlData=" + xmlData);
                    if (helper.CheckSign())
                    {
                        common_util.WriteLog("??????????????????");
                        string product_id = helper.GetProductId();
                        common_util.WriteLog("??????id=" + product_id);
                        string order_no = product_id;if (??????ID??????)
                        {
                            #region ????????????
                            helper.SetParameter("body", "???????????????????????????" + item.user_id);
                            helper.SetParameter("out_trade_no", order_no);
                            helper.SetParameter("total_fee", (item.amount * 100).ToString("#"));//??????????????????
                            helper.SetParameter("notify_url", "http//www.openweixin.com.cn/notify");
                            helper.SetParameter("trade_type", "NATIVE");
                            string prepay_id = helper.GetPrepayId();
                            common_util.WriteLog("prepay_id=" + prepay_id);
                            if (!string.IsNullOrEmpty(prepay_id))
                            {
                                helper.SetReturnParameter("return_code", "SUCCESS");
                                helper.SetReturnParameter("result_code", "SUCCESS");
                                helper.SetReturnParameter("prepay_id", prepay_id);
                                helper.SetReturnParameter("appid", helper.GetAppId);
                                helper.SetReturnParameter("mch_id", helper.GetMch_Id);
                                helper.SetReturnParameter("nonce_str", TenpayUtil.getNoncestr());
                            }
                            else
                            {
                                helper.SetReturnParameter("return_code", "SUCCESS");//???????????????
                                helper.SetReturnParameter("result_code", "FAIL");//????????????
                                helper.SetReturnParameter("err_code_des", "?????????????????????");
                            }
                            #endregion
                        }
                        else
                        {
                            helper.SetReturnParameter("return_code", "SUCCESS");//???????????????
                            helper.SetReturnParameter("result_code", "FAIL");//????????????
                            helper.SetReturnParameter("err_code_des", "???????????????");//????????????
                        }
                    }
                    else
                    {
                        helper.SetReturnParameter("return_code", "FAIL");
                        helper.SetReturnParameter("return_msg", "????????????");
                        common_util.WriteLog("????????????????????????");
                    }
                    string xmlStr = helper.GetReturnXml();
                    common_util.WriteLog("??????xml=" + xmlStr);
                    Response.ContentType = "text/xml";
                    Response.Clear();
                    Response.Write(xmlStr);
                    Response.End();
                }
                catch (Exception ex)
                {
                    common_util.WriteLog("?????????" + ex);
                }
            }
            return Content("OK");
        }

 

???????????????????????????

            if (Request.RequestType == "POST")
            {
                try
                {
                    WxPayHelper helper = new WxPayHelper();
                    StreamReader reader = new StreamReader(Request.InputStream);
                    String xmlData = reader.ReadToEnd();
                    helper.ReceivePostXmlData(xmlData);
                    common_util.WriteLog("Notify_??????post??????xmlData=" + xmlData);
                    if (helper.CheckSign())
                    {
                        Dictionary<string, string> dicBack = helper.GetParameter();//??????????????????
                        if (dicBack != null && dicBack.Keys.Contains("return_code"))
                        {
                            if (dicBack["return_code"] == "SUCCESS")
                            {
                                common_util.WriteLog("return_code=SUCCESS");
                                if (dicBack["result_code"] == "SUCCESS")
                                {
                                    common_util.WriteLog("result_code=SUCCESS");
                                    string out_trade_no = dicBack["out_trade_no"];//???????????????
                                    common_util.WriteLog("out_trade_no=" + out_trade_no);

                                    //1.????????????????????????????????????
                                    //2.??????????????????????????????????????????
                                    //????????????out_trade_no ??????????????????
                                    //????????????????????????

                                    common_util.WriteLog("Notify_??????????????????");
                                    helper.SetReturnParameter("return_code", "SUCCESS");
                                    helper.SetReturnParameter("return_msg", "");
                                }
                            }
                            if (dicBack["return_code"] == "FAIL")
                            {
                                common_util.WriteLog("Notify_??????????????????");
                                helper.SetReturnParameter("return_code", "SUCCESS");
                                helper.SetReturnParameter("return_msg", dicBack["return_msg"]);
                            }
                        }
                    }
                    else
                    {
                        common_util.WriteLog("Notify_??????????????????");
                        helper.SetReturnParameter("return_code", "FAIL");
                        helper.SetReturnParameter("return_msg", "????????????");
                    }
                    string xmlStr = helper.GetReturnXml();
                    common_util.WriteLog("Notify_??????xml=" + xmlStr);
                    Response.ContentType = "text/xml";
                    Response.Clear();
                    Response.Write(xmlStr);
                    Response.End();
                }
                catch (Exception ex)
                {
                    common_util.WriteLog("Notify_?????????" + ex);
                }
            }
            return Content("OK");