private async void SaveChangesCommandExecuted()
        {
            DefaultSetting.User          = User;
            DefaultSetting.EnquiryStatus = EnquiryStatus;

            if (!DefaultSettings.Any())
            {
                _adminDataUnit.DefaultSettingsForEnquiriesRepository.Add(DefaultSetting);
            }

            IsDirty = false;
            await _adminDataUnit.SaveChanges();
        }