/*
* Creates or updates the extra.
*/
private void btnSave_Click(object sender, RoutedEventArgs e)
{
if (this.breakfast != null)
{
mFacade.UpdateBreakfast(this.breakfast,
txtDietRequirements.Text);
}
else
{
mFacade.AddBreakFast(txtDietRequirements.Text);
}
this.Close();
}