private void btn_TwoPound_Click(object sender, EventArgs e)
        {
            double TwoPound = double.Parse(label_TwoPoundTotal.Text);

            TwoPound = TwoPound + 2.00;
            label_TwoPoundTotal.Text = TwoPound.ToString();
            TwoPound++;

            int TwoPoundLabel = int.Parse(label_TwoPoundCount.Text);

            TwoPoundLabel            = TwoPoundLabel + 1;
            label_TwoPoundCount.Text = TwoPoundLabel.ToString();
            TwoPoundLabel++;

            double Total;

            Total = (double.Parse(label_TwoPoundTotal.Text) + double.Parse(label_OnePoundTotal.Text) + double.Parse(label_FiftyPenceTotal.Text) + double.Parse(label_TwentyPenceTotal.Text) + double.Parse(label_TenPenceTotal.Text) + double.Parse(label_FivePenceTotal.Text) + double.Parse(label_TwoPenceTotal.Text) + double.Parse(label_OnePenceTotal.Text));

            textbox_Total.Text = Total.ToString();

            double PenceTotal;

            PenceTotal = ((double.Parse(label_TwoPoundTotal.Text) * 100) + (double.Parse(label_OnePoundTotal.Text) * 100) + (double.Parse(label_FiftyPenceTotal.Text) * 100) + (double.Parse(label_TwentyPenceTotal.Text) * 100) + (double.Parse(label_TenPenceTotal.Text) * 100) + (double.Parse(label_FivePenceTotal.Text) * 100) + (double.Parse(label_TwoPenceTotal.Text) * 100) + (double.Parse(label_OnePenceTotal.Text) * 100));
            textbox_TotalPence.Text = PenceTotal.ToString();
        }
        private void btn_FiftyPence_Click(object sender, EventArgs e)
        {
            double FiftyPence = double.Parse(label_FiftyPenceTotal.Text);

            FiftyPence = FiftyPence + 0.50;
            label_FiftyPenceTotal.Text = FiftyPence.ToString();


            int FiftyPenceLabel = int.Parse(label_FiftyPenceCount.Text);

            FiftyPenceLabel            = FiftyPenceLabel + 1;
            label_FiftyPenceCount.Text = FiftyPenceLabel.ToString();
            FiftyPenceLabel++;

            double Total;

            Total = (double.Parse(label_TwoPoundTotal.Text) + double.Parse(label_OnePoundTotal.Text) + double.Parse(label_FiftyPenceTotal.Text) + double.Parse(label_TwentyPenceTotal.Text) + double.Parse(label_TenPenceTotal.Text) + double.Parse(label_FivePenceTotal.Text) + double.Parse(label_TwoPenceTotal.Text) + double.Parse(label_OnePenceTotal.Text));
            textbox_Total.Text = Total.ToString();

            double PenceTotal;

            PenceTotal = ((double.Parse(label_TwoPoundTotal.Text) * 100) + (double.Parse(label_OnePoundTotal.Text) * 100) + (double.Parse(label_FiftyPenceTotal.Text) * 100) + (double.Parse(label_TwentyPenceTotal.Text) * 100) + (double.Parse(label_TenPenceTotal.Text) * 100) + (double.Parse(label_FivePenceTotal.Text) * 100) + (double.Parse(label_TwoPenceTotal.Text) * 100) + (double.Parse(label_OnePenceTotal.Text) * 100));
            textbox_TotalPence.Text = PenceTotal.ToString();
        }
        private void btn_OnePence_Click(object sender, EventArgs e)
        {
            double OnePence = double.Parse(label_OnePenceTotal.Text);

            OnePence = OnePence + 0.01;
            label_OnePenceTotal.Text = OnePence.ToString();

            int OnePenceLabel = int.Parse(label_OnePenceCount.Text);

            OnePenceLabel            = OnePenceLabel + 1;
            label_OnePenceCount.Text = OnePenceLabel.ToString();
            OnePenceLabel++;

            double Total;

            Total = (double.Parse(label_TwoPoundTotal.Text) + double.Parse(label_OnePoundTotal.Text) + double.Parse(label_FiftyPenceTotal.Text) + double.Parse(label_TwentyPenceTotal.Text) + double.Parse(label_TenPenceTotal.Text) + double.Parse(label_FivePenceTotal.Text) + double.Parse(label_TwoPenceTotal.Text) + double.Parse(label_OnePenceTotal.Text));
            String.Format("{0:n2}", Convert.ToDouble(label_OnePenceTotal.Text));
            textbox_Total.Text = Total.ToString();

            double PenceTotal;

            PenceTotal = ((double.Parse(label_TwoPoundTotal.Text) * 100) + (double.Parse(label_OnePoundTotal.Text) * 100) + (double.Parse(label_FiftyPenceTotal.Text) * 100) + (double.Parse(label_TwentyPenceTotal.Text) * 100) + (double.Parse(label_TenPenceTotal.Text) * 100) + (double.Parse(label_FivePenceTotal.Text) * 100) + (double.Parse(label_TwoPenceTotal.Text) * 100) + (double.Parse(label_OnePenceTotal.Text) * 100));
            textbox_TotalPence.Text = PenceTotal.ToString();
        }