public void NewDonor(string donorName, decimal donationAmount)
{
string messageBoxText = "Thank you {0} for your donation of £{1:#.00}!{2}Your Donor ID is {3}!";
int donorId = SarreWindmillTrust.NewDonor(donationAmount, uiDonationDateTimePicker.Value, donorName);
MessageBox.Show(String.Format(messageBoxText, donorName, donationAmount, Environment.NewLine, donorId));
}
