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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)

Secure Your Passwords

As architects of enterprise systems, we know that security should always be a concern when we transfer or store sensitive data. In the past, you might have cut corners because you assumed the corporate LAN provided some implicit level of protection. You might have rationalized that because only people with access to the LAN could see data being transferred across the wire - and surely no one at your company would try to steal sensitive data - your data was secure. Likewise, your internal applications might not have been passing sensitive information and you leveraged password pro... (more)

Working with the Enterprise Portal

An enterprise portal is the converged "hub" of multiple, complementary information management solutions, including document and content management, information search and retrieval, knowledge management, team collaboration, workflow, and business intelligence. In this article, we describe what an enterprise portal is and give you a brief overview of Sybase Enterprise Portal. Then we take a closer look at the portal and go over some of the installation requirements and steps for the Information Edition of the portal. We also delve into how to use a portal and build components (ca... (more)

Working with the Enterprise Portal

An enterprise portal is the converged "hub" of multiple, complementary information management solutions, including document and content management, information search and retrieval, knowledge management, team collaboration, workflow, and business intelligence. Sybase Enterprise Portal Security Architecture Sybase Enterprise Portal provides single sign-on throughout the portal including transparent authentication to a lot of legacy systems. In the good old days, it wasn't necessary to have single sign-on. You had a mainframe where you connected with one username and password. With ... (more)

XNA, Game Development for Everyone

Maybe some of you remember a time when we created a sprite on a piece of graph paper and afterwards hacked zeroes and ones in so we could see something eventually move on a TV screen. I have to admit that those days have been gone for a long time and a lot of things have happened in IT since I developed simple games on my C64. And one of these new things is XNA Game Studio (the current version is 2.0). Is this something for you? Well, maybe you have a good idea for a computer game, but don't know how to do it. In the past game development was very hard, but it's become easier (I... (more)