private void BtnReturnBook_Click(object sender, RoutedEventArgs e)
{
if (customer != null)
{
if (returnRentedBookLists.Any())
{
if (MessageBox.Show("Do you want to return this books?", "Question", MessageBoxButton.YesNo, MessageBoxImage.Information) == MessageBoxResult.Yes)
{
foreach (ReturnRentedBookList bk in returnRentedBookLists)
{
dr.ReturnBook(bk.Id, bk.RentedBookId, bk.CalcPrice);
}
this.Close();
}
}
else
{
MessageBox.Show("You not select Book!!!");
}
}
else
{
MessageBox.Show("You not select Customer!!!");
}
}