private void buttonShowAllBarcode_Click(object sender, EventArgs e)
        {
            try
            {
                BarcodeReport barcodeReport = new BarcodeReport();

                List<ReportProducts> products = AllProducts();
                if (products.Count > 0)
                {
                    barcodeReport.SetDataSource(products);
                    BarcodeReportViewer.ReportSource = barcodeReport;
                }
            }
            catch (Exception exception)
            {

                MessageBox.Show(exception.Message);
            }
        }
 private void buttonShowBarcode_Click(object sender, EventArgs e)
 {
     try
     {
         string bCode = textBox1.Text.Trim();
         int no = Convert.ToInt32(textBox2.Text.Trim());
         if (bCode == "") return;
         if (no < 0) return;
         BarcodeReport barcodeReport = new BarcodeReport();
         List<ReportProducts> productses=new List<ReportProducts>();
         ReportProducts aProducts = GetProduct(bCode);
         for (int i = 0; i < no; i++)
         {
            productses.Add(aProducts);
         }
         barcodeReport.SetDataSource(productses);
         BarcodeReportViewer.ReportSource = barcodeReport;
     }
     catch (Exception exception)
     {
         MessageBox.Show(exception.Message);
     }
 }
 public virtual CrystalDecisions.CrystalReports.Engine.ReportDocument CreateReport()
 {
     BarcodeReport rpt = new BarcodeReport();
     rpt.Site = this.Site;
     return rpt;
 }