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PowerBuilder Tips, Tricks, and Techniques

Berndt Hamboeck

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Top Stories by Berndt Hamboeck

The DropDownDataWindow (DDDW) edit style is one of PowerBuilder's outstanding features. Yes, I know there are a lot of new and exciting capabilities in the upcoming release of PowerBuilder, but in this article I'll try to solve some of the current problems with the existing features that are popping up in nearly every project I've seen. Here I'll focus on DropDownDataWindows, including: How to get started with DDDWs Filtering DDDWs without losing the display value in other rows Catching the collapsing of a DDDW Trapping the cursor keys in a DDDW Autocomplete DDDW values Getting Started The basics are well covered in the PowerBuilder User's Manual, but if you still have problems defining them look at Figure 1. Click on the column you want and its edit style (yes, click on edit on the properties) as DDDW (choose DropDownDW as Style Type). Next, choose your DataWindow, ... (more)

SQL Anywhere 10 & DataWindow .NET 2.0 in an ASP Environment

Most of the applications we software developers build need to interact somehow with data from a database. The .NET Framework defined by Microsoft provides a rich set of objects to manage database interaction; these classes are collectively referred to as ADO.NET and the latest versions of DataWindow .NET (which is now version 2.01). SQL Anywhere (version 10) fits perfectly in this environment, making development a lot easier; in addition, your applications will look good without spending a lot of time painting the user interface. In this article we'll look closer at exactly this... (more)

Mobile and Wireless Design Essentials

It won't be long until a new product developed by Sybase hits the stores. Yes, I'm talking about Pocket PowerBuilder. For any professional (PowerBuilder) software developer, this should be reason enough to look behind the scenes of mobile and wireless development. Fortunately for us there's a book on the market that covers everything we need to know. This book, Mobile and Wireless Design Essentials, is written by Martyn Mallick. Martyn is a senior software engineer in product management and a wireless solutions evangelist for iAnywhere Solutions, a subsidiary of Sybase, Inc. He'... (more)

XML-Based/PowerBuilder User Interface

While writing one of my PowerBuilder 9 book chapters, I suddenly had an idea. Wouldn't it be great to use PowerBuilder as a WAP front end? This would be a cool application for Pocket PowerBuilder too (most of the new devices have WLAN integrated). My first thought was that this might not be so easy. WML is based on XML - PowerBuilder 9 offers good XML support - so not a problem here. No, the problem might be the creation of the controls. Hmm, I had to dig around a little bit and see if this could be a problem. Wait, I played around with the WinCE API with PocketBuilder a few wee... (more)

Tips, Tricks & Recipes for Sybase ASE

Tips, Tricks & Recipes for Sybase ASE Author: Rob Verschoor Publisher: Sypron Publications, The Netherlands In contrast with Rob Verschoor's previous book, The Complete Sybase ASE Quick Reference Guide, his new book, Tips, Tricks & Recipes for Sybase ASE, is a full-size book filled with a lot information that ASE administrators and ASE developers will find useful. It provides dos and don'ts, and tips on how to keep your data intact, performant, and valid, and your ASE users happy. The author, Rob Verschoor, is a certified DBA for ASE 12.5/12.0, and a freelance consultant with his o... (more)