private void ShowReceipt()
{
string error = ValidateFields();
if (error != null)
{
MessageBox.Show(error);
return;
}
List <LineReceiptDTO> lineInvoices = _receiptsManager.GetReceipt();
}
/// <summary>
/// Get and show receipt
/// </summary>
private void ShowReceipt()
{
string error = ValidateFields();
if (error != null)
{
MessageBox.Show(error);
return;
}
if (_receiptsManager.GetReceipt(CustomerId, SelectedYear, SelectedMonth))
{
Receipts = new ObservableCollection <LineReceiptDTO>(_receiptsManager._receipts);
TotalPayment = Receipts.Sum(x => x.LineTotalPrice);
CustomerName = Receipts.Last().CustomerName;
_navigationService.NavigateTo("Receipts");
}
}