public string DoUpload()
        {
            int channel_id = int.Parse(Request.Form["w_comboxOutSite"]);
            string fileName = Request.Files[0].FileName;
            string filePath = "";
            string fName = "";
            string fExtension = "";
            try
            {
                FileOperator fo = new FileOperator(fileName);
                fExtension = fo.Extension;
                if (fExtension != ".xls" && fExtension != ".xlsx")
                {
                    return "{success:false,msg:'" + Resources.ProductItemMap.EXCEL_FORMAT_ERROR + "'}";
                }

                if (!System.IO.Directory.Exists(Server.MapPath(excelPath)))
                {
                    System.IO.Directory.CreateDirectory(Server.MapPath(excelPath));
                }

                fName = DateTime.Now.ToString("yyyyMMddhhmmss") + fo.Extension;
                filePath = Server.MapPath(excelPath) + "/" + fName;

            }
            catch (Exception ex)
            {
                Log4NetCustom.LogMessage logMessage = new Log4NetCustom.LogMessage();
                logMessage.Content = string.Format("TargetSite:{0},Source:{1},Message:{2}", ex.TargetSite.Name, ex.Source, ex.Message);
                logMessage.MethodName = System.Reflection.MethodBase.GetCurrentMethod().Name;
                log.Error(logMessage);
                return "{success:false,msg:'" + Resources.ProductItemMap.EXCEL_FORMAT_ERROR + "'}";
            }

            try
            {
                Request.Files[0].SaveAs(filePath);
            }
            catch (Exception ex)
            {
                Log4NetCustom.LogMessage logMessage = new Log4NetCustom.LogMessage();
                logMessage.Content = string.Format("TargetSite:{0},Source:{1},Message:{2}", ex.TargetSite.Name, ex.Source, ex.Message);
                logMessage.MethodName = System.Reflection.MethodBase.GetCurrentMethod().Name;
                log.Error(logMessage);
            }
            IProductItemMapExcelImplMgr ife = new ProductItemMapExcelMgr(connectionString);
            List<ProductItemMapCustom> pm = new List<ProductItemMapCustom>();
            try
            {
                List<ProductItemMapCustom> errorPm = new List<ProductItemMapCustom>();
                Resource.CoreMessage = new CoreResource("ProductItemMap");
                bool isHeaderError = false;
                //讀取excel裡賣弄的內容
                pm = ife.ReadFile(filePath, channel_id, fExtension, ref isHeaderError, errorPm);
                if (!isHeaderError)
                {
                    if (errorPm.Count == 0)
                    {
                        ife.SaveToDB(pm);
                    }
                    else
                    {
                        return "{success:true,error:true,path:'" + fName + "',data:" + JsonConvert.SerializeObject(errorPm) + "}";
                    }
                }
                else
                {
                    return "{success:true,headerError:true}";
                }
            }
            catch (Exception ex)
            {
                Log4NetCustom.LogMessage logMessage = new Log4NetCustom.LogMessage();
                logMessage.Content = string.Format("TargetSite:{0},Source:{1},Message:{2}", ex.TargetSite.Name, ex.Source, ex.Message);
                logMessage.MethodName = System.Reflection.MethodBase.GetCurrentMethod().Name;
                log.Error(logMessage);
                return "{success:false,msg:'" + Resources.ProductItemMap.IMPORT_FAIL + "'}";
            }
            return "{success:true,msg:'" + string.Format(Resources.ProductItemMap.IMPORT_SUCCESS_TOTAL, pm.Count) + "'}";
        }
        public HttpResponseBase ContinueUpload()
        {
            string fileName = Request.Params["fname"];
            int channel_id = int.Parse(Request.Params["outSite"]);
            jsonStr = "{success:false,msg:'" + Resources.ProductItemMap.IMPORT_FAIL + "'}";
            IProductItemMapExcelImplMgr ife = new ProductItemMapExcelMgr(connectionString);
            List<ProductItemMapCustom> pm = new List<ProductItemMapCustom>();

            string filePath = Server.MapPath(excelPath) + "/" + fileName;
            string fExtension = "." + fileName.Split('.')[1];
            try
            {
                List<ProductItemMapCustom> errorPm = new List<ProductItemMapCustom>();
                bool isHeader = true;
                pm = ife.ReadFile(filePath, channel_id, fExtension, ref isHeader, errorPm);
                if (pm.Count > 0)
                {
                    ife.SaveToDB(pm);
                }

                jsonStr = "{success:true,msg:'" + string.Format(Resources.ProductItemMap.IMPORT_SUCCESS_TOTAL, pm.Count) + "',data:" + JsonConvert.SerializeObject(pm) + "}";
            }
            catch (Exception ex)
            {
                Log4NetCustom.LogMessage logMessage = new Log4NetCustom.LogMessage();
                logMessage.Content = string.Format("TargetSite:{0},Source:{1},Message:{2}", ex.TargetSite.Name, ex.Source, ex.Message);
                logMessage.MethodName = System.Reflection.MethodBase.GetCurrentMethod().Name;
                log.Error(logMessage);

            }

            this.Response.Clear();
            this.Response.Write(jsonStr);
            this.Response.End();
            return this.Response;
        }