public Rental OpenRental( Rental rental )
{
if ( rental == null )
throw new ArgumentNullException( "rental" );
// Check business rules.
BusinessRulesManager.Assert( "OpenRental", rental );
StorageContext.Current.Insert( rental );
return rental;
}
private void buttonAccept_Click( object sender, EventArgs e )
{
Book book = this.selectBookControl1.SelectedBook;
if ( book == null )
{
MessageBox.Show( this, "Please select a book." );
return;
}
Rental rental = new Rental();
rental.Book = book;
rental.Customer = this.customer;
rental.StartDate = DateTime.Now;
rental.ScheduledReturnDate = this.returnDate;
this.rentalProcesses.Value.OpenRental( rental );
this.DialogResult = DialogResult.OK;
this.Close();
}