private void Form1_Load(object sender, EventArgs e)
{
     //Create a new instance of CrystalReport1 
     CrystalReport1 cr1 = new CrystalReport1();
     crystalReportViewer1.ReportSource = cr1;


     //Create an instance of SmartCodeDeveloper and initialize it
     TechnoRiver.SmartCodeDeveloper.SmartCodeDeveloperControl sdc = new     TechnoRiver.SmartCodeDeveloper.SmartCodeDeveloperControl();
     sdc.Symbology = TechnoRiver.SmartCodeDeveloper.SmartCodeDeveloperControl.BarcodeSymbology.CODE128;
     sdc.DisplayText = TechnoRiver.SmartCodeDeveloper.SmartCodeDeveloperControl.BarcodeDisplayText.Yes;
     //sdc.RegistrationKey = "XXXX-XXXX-XXXX-XXXX";

     //Fill up the item table in the dataset with the adapter for sampleDataSet
    sampleDataSetTableAdapters.ItemTableAdapter ita = new    sampleDataSetTableAdapters.ItemTableAdapter();
    sampleDataSet.ItemDataTable idt = new sampleDataSet.ItemDataTable();
    ita.Fill(idt); 

     //Get the data for the barcode and pass it to SmartCodeDeveloper
    //SmartCodeDeveloper will create a barcode for the data in PNG format and set it to the Barcode field
    //In this example, we use the Item Field in the Item Table for the data
    int rows = idt.Count;
    for (int i = 0; i < rows; i++)
    { 
      sampleDataSet.ItemRow ir = (sampleDataSet.ItemRow) idt.Rows[i];
      sdc.BarcodeData = ir.Item.ToString();
      ir.Barcode = sdc.GetImagePNG();
    }

        //Set the datasource for the report to be the item table
        cr1.SetDataSource((DataTable)idt);
}