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Arthur Hefti

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Top Stories by Arthur Hefti

PBDJ Feature Story There's a lot of "legacy" PowerBuilder code that you might want to access from .NET applications or perhaps PowerBuilder has some superior functionality that you would like to make use of in a .NET application. Think about how easy it would be to create a report in PowerBuilder with a DataWindow. Of course, PB can provide functionality through Web Services (see my article "Prognos with DataWindow.NET 2.0 and PowerBuilder 11 Web Services" in PBDJ some time ago) but this has its limitations. In the article "PowerBuilder 11's .NET Interoperability" in PBDJ, John Strano showed briefly how to use a PowerBuilder assembly in .NET. This article demonstates how to create a PowerBuilder assembly and elaborates on how to reuse this assembly in C# projects. First, I will start with a simple console application, then go over to an ASP.NET page and finish with ... (more)

Taking PowerBuilder's PBDOM Out for a Spin

So you think, "Why bother using PBDOM?" Well, you can use PDOM to manipulate elements in an XML document. That means you can move elements in a document or from one document to another. You can add elements to a document or delete them from a document. And, with a little coding, you can import nested XML data into a DataWindow. With the XML capabilities in the DataWindow introduced with Sybase's PowerBuilder 9, it's possible to import and export data very fast and easily. You might have glanced at the PBDOM definition in the PowerBuilder help and figured it looked hard to handle... (more)

Prognos with DataWindow.NET 2.0 and PowerBuilder 11 Web Services

Prognos is an application used over the Internet to determine if it makes sense to apply for a scholarship. It's part of a program package used in a couple of cantons (the equivalent of a state in the U.S.) in Switzerland to manage applications for a scholarship. The current version runs with DataWindow.NET 2.0 and uses PowerBuilder 11 Web Services. To keep the installation slim it uses no database; instead the data is stored in DataWindows or XML files. Prognos makes use of AJAX techniques and accesses .NET classes from PowerBuilder for XML handling. Since it's used in Switzerl... (more)

PowerBuilder .NET Web Services with Various Front Ends

Last year I wrote an article in PBDJ describing an ASP.NET project that was done with DataWindow.NET in the browser ("Prognos" Volume 14, Issue 4) and PowerBuilder Web Services in the back end. The front end consisted of an intro page, two data entry pages, and one page with the result. The front end was rewritten in a couple of other technologies to test different ways to create browser-based applications. This article covers solutions that run in different browsers and on different operation systems. I will also look at PowerBuilder 11.2 Webform although it is IE-only. At the ... (more)

Presentation on PowerBuilder TV

PowerBuilder TV hosts regular webinars to PowerBuilder related topics and will broadcast its first session on April 8th at 10 am EST. Arthur Hefti will present "Using PowerBuilder Assemblies with .NET" on PowerBuilder TV June 15 2pm CET.   ... (more)