Bitcoin_QR_Popup.Form1.update_popup C# (CSharp) Method

        private void update_popup()
        {
            try
            {
                string address = textBox_address.Text;
                string amount = get_amount();
                string uri = get_bitcoin_uri(address, amount);
                label_amount.Text = amount; //TODO this is the wrong symbol, but close enough for now
                draw_qr(uri);
            }
            catch
            {
                //TODO display a meaningful error
                label_amount.Text = "0";
                draw_qr(textBox_address.Text);
            }
        }