public void SaveChanges(ObservableCollection <Receiver> receivers, FieldMappingSettingsModel FieldMapping)
        {
            try
            {
                logger.InfoSender("Save changes of list");
                FileInfo file = new FileInfo(FieldMapping.receiverListFilePath);
                if (!file.Exists)
                {
                    logger.ErrorSender("Send list file not exist " + FieldMapping.receiverListFilePath);
                    return;
                }
                ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
                int timeSaveStart = TimeUnixService.Timestamp();
                using (ExcelPackage excelPackage = new ExcelPackage(file))
                {
                    ExcelWorksheet worksheet = excelPackage.Workbook.Worksheets.FirstOrDefault();

                    foreach (var receiver in receivers)
                    {
                        worksheet.Cells[FieldMapping.fieldValidateStatus + receiver.IdReceiver.ToString()].Value = receiver.StatusEmailExist;
                        worksheet.Cells[FieldMapping.fieldSendingStatus + receiver.IdReceiver.ToString()].Value  = receiver.StatusSend;
                    }
                    //save file
                    Byte[] bin = excelPackage.GetAsByteArray();
                    File.WriteAllBytes(FieldMapping.receiverListFilePath, bin);
                    //excelPackage.SaveAs(file);
                }
                int res = TimeUnixService.Timestamp() - timeSaveStart;
                logger.InfoSender($"save process take {res.ToString()} sec");
            }
            catch (Exception ex)
            {
                logger.ErrorSender($"Save process get error {ex.Message}");
            }
        }
        public void SaveChanges(ObservableCollection <Receiver> receivers, FieldMappingSettingsModel FieldMapping)
        {
            try
            {
                logger.InfoSender("Save changes of list");
                CreateFile(FieldMapping.receiverListFilePath);
                FileInfo file = new FileInfo(FieldMapping.receiverListFilePath);
                if (!file.Exists)
                {
                    logger.ErrorSender("Send list file not exist " + FieldMapping.receiverListFilePath);
                    return;
                }
                ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
                int timeSaveStart = TimeUnixService.Timestamp();
                using (ExcelPackage excelPackage = new ExcelPackage(file))
                {
                    ExcelWorksheet worksheet = excelPackage.Workbook.Worksheets.FirstOrDefault();

                    foreach (var receiver in receivers)
                    {
                        string index = receiver.IdReceiver.ToString();
                        worksheet.Cells[FieldMapping.fieldValidateStatus + index].Value   = receiver.StatusEmailExist;
                        worksheet.Cells[FieldMapping.fieldSendingStatus + index].Value    = receiver.StatusSend;
                        worksheet.Cells[FieldMapping.fieldEmail + index].Value            = receiver.Email;
                        worksheet.Cells[FieldMapping.fieldOrganizationName + index].Value = receiver.CompanyName;
                        worksheet.Cells[FieldMapping.fieldPersonName + index].Value       = receiver.PersonName;
                        worksheet.Cells[FieldMapping.fieldInn + index].Value            = receiver.FieldInn;
                        worksheet.Cells[FieldMapping.fieldOkvd + index].Value           = receiver.FieldOkvd;
                        worksheet.Cells[FieldMapping.fieldPhone + index].Value          = receiver.FieldPhone;
                        worksheet.Cells[FieldMapping.fieldAddress + index].Value        = receiver.FieldAddress;
                        worksheet.Cells[FieldMapping.fieldContractAmount + index].Value = receiver.FieldContractAmount;
                        worksheet.Cells[FieldMapping.fieldDate1 + index].Value          = receiver.FieldDate1;
                        worksheet.Cells[FieldMapping.fieldDate2 + index].Value          = receiver.FieldDate2;
                        worksheet.Cells[FieldMapping.fieldDate3 + index].Value          = receiver.FieldDate3;
                        worksheet.Cells[FieldMapping.fieldRecord1 + index].Value        = receiver.FieldRecord1;
                        worksheet.Cells[FieldMapping.fieldRecord2 + index].Value        = receiver.FieldRecord2;
                        worksheet.Cells[FieldMapping.fieldRecord3 + index].Value        = receiver.FieldRecord3;
                    }
                    //save file
                    Byte[] bin = excelPackage.GetAsByteArray();
                    File.WriteAllBytes(FieldMapping.receiverListFilePath, bin);
                    //excelPackage.SaveAs(file);
                }
                int res = TimeUnixService.Timestamp() - timeSaveStart;
                logger.InfoSender($"save process take {res.ToString()} sec");
            }
            catch (Exception ex)
            {
                logger.ErrorSender($"Save process get error {ex.Message}");
            }
        }