private void RefreshRequest()
        {
            if (_requestService == null)
            {
                _requestService = new RequestService(AppSettings.DbConnection);
            }
            FondList.Clear();
            var fonds = _requestService.GetServiceCompanyFondList(
                FilterStreetList.Where(w => w.Selected).Select(x => x.Id).ToArray(),
                _selectedHouse?.Id, SelectedFlat?.Id);

            foreach (var address in fonds)
            {
                FondList.Add(address);
            }
        }