private void BtnCalc_OnClick(object sender, RoutedEventArgs e)
{
foreach (Flat flat in flatView.SelectedItems)
{
var account = new Account(06,2013,DateTime.Now);
foreach (Service service in serviceView.SelectedItems)
{
account.Add(new ProvidedService(service));
}
account.Calculation(flat);
flat.Add(account);
}
TsContext.SaveChanges();
this.Close();
}
public void Add(Account account)
{
if (account == null) return;
account.Calculation(this);
this.Accounts.Add(account);
}