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
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)
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)
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)
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
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
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)