private void SubmitButton_Click(object sender, EventArgs e)
        {
            if (barcodeRange1.SelectedItem != null && barcodeRange2.SelectedItem != null)
            {
                object barcodeData = $"{Convert.ToInt64(barcodeRange1.SelectedItem) + Convert.ToInt64(50000000000)}";
                var    barcodeUrl  = $"barcode.tec-it.com/barcode.ashx?translate-esc=off&data={barcodeData}&code=UPCA&authentication=None&ssid=Networkname&password=&unit=Fit&dpi=96&imagetype=Gif&rotation=0&color=000000&bgcolor=FFFFFF&qunit=Mm&quiet=0&eclevel=L";

                int r1 = Int32.Parse($"{barcodeRange1.SelectedItem}");
                try
                {
                    var rangeValues = Enumerable.Range(r1, Int32.Parse(rangeCount.Text));
                    try
                    {
                        Avery5161pdf.PdfGen(rangeCount.Text);
                    }
                    catch (Exception exp)
                    {
                        MessageBox.Show(exp.Message);
                    }
                    lastSubmitDate.Text = $"{DateTime.Now}";
                    lastRange1.Text     = $"{Convert.ToInt32(barcodeRange1.SelectedItem)}";
                    lastRange2.Text     = $"{Convert.ToInt32(barcodeRange2.SelectedItem)}";
                }

                catch
                {
                    MessageBox.Show("Range cannot be negative", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }
        private void SubmitButton_Click(object sender, EventArgs e)
        {
            if (barcodeRange1.SelectedItem != null && barcodeRange2.SelectedItem != null)
            {
                lastSubmitDate.Text = $"{DateTime.Now}";
                lastRange1.Text     = $"{Convert.ToInt32(barcodeRange1.SelectedItem)}";
                lastRange2.Text     = $"{Convert.ToInt32(barcodeRange2.SelectedItem)}";


                try
                {
                    try
                    {
                        Avery5161pdf.PdfGen(rangeCount.Text, Convert.ToInt32(barcodeRange1.SelectedItem));
                    }
                    catch (Exception exp)
                    {
                        MessageBox.Show(exp.Message);
                    }
                }

                catch
                {
                    MessageBox.Show("Range cannot be negative", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
                try
                {
                    //CacheCurrentInfo();
                }
                catch (Exception exp)
                {
                    MessageBox.Show(exp.Message);
                }
            }
        }