Alex Feldstein
Alex has been programming database systems since 1985. He has used all versions of dBase and FoxPro in DOS, UNIX and Windows systems. Alex has been awarded Most Valuable Professional (MVP) status by Microsoft for Visual FoxPro for 2001/2002 for his constant help to the developer community in online forums and specifically Spanish language newsgroups. Alex is fluent in English, Spanish and Portuguese.
You can reach Alex at:
alex@feldstein.net
You can download the source code for this article from
http://www.feldstein.net/supermarketcode.zip
Articles Authored
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Embedded Visual Basic and your Pocket PC
Last updated: Friday, December 5, 2025
Published in: CODE Magazine: 2002 - July/August
In this article, Alex Feldstein explores the development of custom database applications for Pocket PC devices using Microsoft’s eMbedded Visual Basic (eVB) and the eMbedded Visual Tools Development Kit. He guides readers through setting up the development environment, connecting to the device, and building a sample supermarket inventory application with Pocket Access and ADOCE. Feldstein highlights key differences between ADOCE and standard ADO, discusses data type conversions, and covers practical coding examples for creating, adding, viewing, and deleting records. The article emphasizes the potential of Pocket PC programming for mobile, data-driven solutions.
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Understanding the Crypto API
Last updated: Tuesday, February 19, 2019
Published in: CODE Magazine: 2002 - March/April
You know about the importance of securing your data.But, how do you add industrial strength security to your program? The answer is simple: use the Windows Crypto API.