The following sample code demonstrates how to read barcode from image (BarcodePhoto.jpg file) in ASP Classic using Bytescout BarCode Reader SDK for .NET
Sample input image for barcode recognition:

<%
' IMPORTANT NOTE: you need to have .NET Framework 1.10 installed to use BarCode SDK from Visual Basic
' to download and install .NET Framework 1.10 please use this link:
http://www.microsoft.com/downloads/details.aspx?familyid=262D25E3-F589-4842-8157-034D1E7CF3A3
Set bc = Server.CreateObject("Bytescout.BarCodeReader.Reader")
bc.ReadFromFile Server.MapPath("BarcodePhoto.jpg")
For i = 0 To bc.FoundCount - 1
Response.Write "Found barcode on page #" & CStr(bc.GetFoundBarcodePage(i)) & " with type "
& Cstr(bc.GetFoundBarcodeType(i)) & " and value " & bc.GetFoundBarcodeValue(i)
Next
Set bc = Nothing
%>