BarcodeX

BarcodeX is a full-featured ActiveX control for generating almost any type of barcode. It can be bound to a data source for use in a database reports. Barcodes can be exported into bitmaps, metafiles, clipboard...
Supported codes include EAN-13, EAN-8, EAN-2, EAN-5, UPC-A, UPC-E, Code39, Code39 Ext., Code93, Code 128, EAN-128, ISSN, ISBN, Plessey, Code11, Code25, Code25 Int., Codebar, Code11, PLANET, ITF-14, EAN-14 and even PDF417 2-dimensional bar code.

It can be used in any Windows container application (e.g. MS Word, MS Access, Visual Basic, VisualStudio .NET, etc.).
VB.NET sample program is included!

Also, barcodes can be created and streamed to web browser with ASP directly from memory without creating any files on server.