private void ADD_Click(object sender, EventArgs e) { if (Retailer.Checked) { ApplicationManager.addBuyer(BuyerID.Text, BuyerName.Text, Retailer.Text); } if (WholeSaller.Checked) { ApplicationManager.addBuyer(BuyerID.Text, BuyerName.Text, WholeSaller.Text); } BuyerID.Text = BuyerID.Name; BuyerName.Text = BuyerName.Name; Retailer.Checked = false; WholeSaller.Checked = false; }