private void SubmitButtonClicked(object sender, EventArgs e)
{
BloodDonorController.InsertDonateInfo(mem);
BloodStockController.UpdateStock(mem.Blood_Group);
MessageBox.Show("Thank you for your donation", "Message");
//buttonBack.PerformClick();
this.Hide();
RegisteredMember f1 = new RegisteredMember(mem);
f1.Show();
}
