private void Form1_Load(object sender, EventArgs e)
{
// load data to the data table 
this.vProductAndDescriptionTableAdapter.Fill
(this.AdventureWorks.vProductAndDescription);
// create a linear barcode object
Linear barcode = new Linear();
// set barcode type 
barcode.LinearBarcode = LinearBarcode.Code128;
// draw barcodes for each data row
foreach (AdventureWorks.vProductAndDescriptionRow 
row in this.AdventureWorks.vProductAndDescription.Rows)
{// set barcode encoding data value
barcode.Data = row.ProductID.ToString();
// set drawing barcode image format
barcode.Format = System.Drawing.Imaging.ImageFormat.Jpeg;
row.Barcode = barcode.drawBarcodeAsBytes();
}
this.reportViewer1.RefreshReport();
}

Private Sub Form1_Load(ByVal sender 
As System.Object, ByVal e As System.EventArgs) Handles MyBase.
Load'TODO: This line of code 
loads data into the 'AdventureWorks.vProductAndDescription' 
table.You can move, or remove it, as needed.
Me.vProductAndDescriptionTableAdapter.Fill
(Me.AdventureWorks.vProductAndDescription)
Dim barcode As New Linear()
barcode.LinearBarcode = LinearBarcode.Code128
Dim row As AdventureWorks.vProductAndDescriptionRow
For Each row In Me.AdventureWorks.vProductAndDescription.Rows
' set barcode encoding data value
barcode.Data = row.ProductID.ToString()
' set drawing barcode image format
barcode.Format = System.Drawing.Imaging.ImageFormat.Png
row.Barcode = barcode.drawBarcodeAsBytes()
Next
Me.ReportViewer1.RefreshReport()
End Sub