public IActionResult UpdateTimeZones(IEnumerable <Upd_VM.TimeZone> timeZones)
        {
            try
            {
                if (ModelState.IsValid)
                {
                    IEnumerable <GeonamesAPI.Domain.TimeZone> result = repository.UpdateTimeZones(timeZones);

                    if (result != null && result.Count() > 0)
                    {
                        var primaryKey = timeZones
                                         .Select(inputTimeZone => inputTimeZone.TimeZoneId)
                                         .FirstOrDefault();

                        byte[] inputRowId = timeZones
                                            .Where(inputTimeZone => inputTimeZone.TimeZoneId == primaryKey)
                                            .Select(inputTimeZone => inputTimeZone.RowId)
                                            .FirstOrDefault();

                        byte[] outputRowId = result
                                             .Where(outputTimeZone => outputTimeZone.TimeZoneId == primaryKey)
                                             .Select(outputTimeZone => outputTimeZone.RowId)
                                             .FirstOrDefault();

                        bool rowIdsAreEqual = inputRowId.SequenceEqual(outputRowId);

                        if (rowIdsAreEqual)
                        {
                            return(BadRequest(ErrMsgs.ErrorMessages_US_en.NotUpdated_MultipleEntries));
                        }
                        else
                        {
                            return(Ok(result));
                        }
                    }
                    else
                    {
                        return(StatusCode(500));
                    }
                }
                else
                {
                    return(BadRequest(ModelState));
                }
            }
            catch (Exception ex)
            {
                Debug.WriteLine(ex);
                throw;
            }
        }