| By Brian Walsh | Article Rating: |
|
| September 13, 2006 01:00 PM EDT | Reads: |
32,153 |
It doesn't take much code to create an XML document.

Click for full-size image
This xml structure maintains the basic contract between the controller and view, a simple map of arbitrary objects. The client application would use the XPath "/map/entry/*[position()=1]" to access the map's set of keys. Similarly the XPath /map/entry/*[position()=2] provides the value set.
The same contract applies to exceptions. Exceptions are simply entries in the map using exception class name as the key.
.gif)
Click for full-size image
Now we have extended the system to incorporate our new view.

Published September 13, 2006 Reads 32,153
Copyright © 2006 SYS-CON Media, Inc. — All Rights Reserved.
Syndicated stories and blog feeds, all rights reserved by the author.
More Stories By Brian Walsh
Brian Walsh is the founder of bwalsh.com, a Portland, Oregon consulting firm specializing in Internet and network-enabled product strategies and development. His areas of expertise include enterprise architecture, technical evaluations, infrastructure, software engineering and database design. Walsh's recent clients belong to a wide variety of industry segments; retail banking, insurance to telecos and network management firms. Always enjoying the hands-on approach, he divides his time between policy issues and technical challenges.
![]() |
n d 09/13/06 01:14:24 PM EDT | |||
Ajax(Asynchronous JavaScript and XML) means many things to many people. However, one thing is certain: To users it implies a higher level of functionality and an improved experience. To the developer, another certainty follows: More work. The only question is how much work and to what end. |
||||
- Why SOA Needs Cloud Computing - Part 1
- Cloud Expo and The End of Tech Recession
- The Transition to Cloud Computing: What Does It Mean For You?
- A Rules Engine Built in PowerBuilder
- Sybase Named “Silver Sponsor” of iPhone Developer Summit
- How PowerBuilder Got Its Groove Back
- The Cloud Has Cross-Border Ambitions
- Ulitzer Names The World's 30 Most Influential Virtualization Bloggers
- Ulitzer Named "New Media" Partner of Greatly Anticipated iStrategy Event in Berlin
- Risks and Enterprise Mobility?
- Steps for Success in Enterprise Mobility?
- Are Mobile Luddites Resisting Mobility?
- The Difference Between Web Hosting and Cloud Computing
- Sybase CTO to Speak at 4th International Cloud Computing Expo
- Why SOA Needs Cloud Computing - Part 1
- Cloud Expo and The End of Tech Recession
- The Transition to Cloud Computing: What Does It Mean For You?
- Five Reasons to Choose a Private Cloud
- Seeding The Cloud: The Future of Data Management
- The Threat Behind the Firewall
- Economy Drives Adoption of Virtual Lab Technology
- Tips for Efficient PaaS Application Design
- A Rules Engine Built in PowerBuilder
- Sybase Named “Silver Sponsor” of iPhone Developer Summit
- Where Are RIA Technologies Headed in 2008?
- PowerBuilder History - How Did It Evolve?
- The Top 250 Players in the Cloud Computing Ecosystem
- Custom Common Dialogs Using SetWindowsHookEx
- DDDW Tips and Tricks
- OLE - Extending the Capabilities of PowerBuilder
- DataWindow.NET How To: Data Entry Form
- Book Excerpt: Sybase Adaptive Server Anywhere
- Sybase ASE 12.5 Performance and Tuning
- Working with SOA & Web Services in PowerBuilder
- Office 2003 Toolbar: A New Look For Your Old PowerBuilder App
- Dynamically Creating DataWindow Objects


































