public void ReloadSelectedStore()
        {
            List <RegionModel> updatedRegions = new List <RegionModel>();

            foreach (string regionName in AllRegions)
            {
                bool isSelected = false;
                if (SelectedRegions.Any(r => r.Region == regionName))
                {
                    isSelected = true;
                }
                updatedRegions.Add(new RegionModel(regionName, isSelected));
            }
            SelectedStore = new StoreModel(SelectedStore.Name, SelectedStore.CompanyNumber, SelectedStore.VatNumber, SelectedStore.Address, updatedRegions);
        }
        public void UpdateStores()
        {
            StoreModel updatedStore = selectedStore;

            selectedStore.Regions = new List <RegionModel>();

            foreach (string regionName in AllRegions)
            {
                bool isSelected = false;
                if (SelectedRegions.Any(r => r.Region == regionName))
                {
                    isSelected = true;
                }
                SelectedStore.Regions.Add(new RegionModel(regionName, isSelected));
            }

            try
            {
                updatedStore = storesDataAccess.ValidateDataEntry(SelectedStore);
            }
            catch (ArgumentException ex)
            {
                MessageBox.Show(ex.Message);
                return;
            }
            catch (Exception ex)
            {
                MessageBox.Show($"Įvyko netikėta klaida. Klaidos tekstas:'{ex.Message}'");
                return;
            }

            storesDataAccess.UpdateStoresList(updatedStore);
            GetStores();
            CleanAllFields();


            MessageBox.Show($"Išsaugota sėkmingai!\n\n" +
                            $"Pavadinimas: {updatedStore.Name}\n" +
                            $"Rajonai:\n    - {String.Join("\n    - ", updatedStore.Regions.Where(r => r.IsSelected).Select(r => r.Region))}\n" +
                            $"Įmonės kodas: {updatedStore.CompanyNumber}\n" +
                            $"PVM kodas {updatedStore.VatNumber}\n" +
                            $"Adresas: {updatedStore.Address}");
        }