AJAX Library for Visual DataFlex

The AJAX Library for Visual Dataflex allow developers to develop web applications using the latest AJAX technologies.

The goal of the Visual DataFlex AJAX library is to bring the experience from the Windows version of Visual DataFlex to the web using AJAX techniques.

You probably already know how to create a datamodel Using DataDictionaries from earlier Visual DataFlex programming experience.

Now just attach your Data Dictionaries Using AJAX Web Browser Objects - this brings your existing datamodel to the ajax world.

Basics

• what is a data dictionary?
• How to develop ASP pages

Frequent issues

• Adding the AJAX Library to your application
• Creating a AJAX Web application
• Using AJAX Web Browser Objects
• Creating a AJAX Form
• AJAX Remote Method Invocation

Examples

• AJAX - Return Arrays and Structs to your JavaScript with XML

Work in progress

• Rating Example

See Also

• Using cAjaxSessionManager

Troubleshooting

• If you get a http 500 , then you probably forgot to copy the files from the the AppHtml directory in the AJAX library to your project.
• Remember to set the correct access rights on your ASP files.
• Remember to have the same version of the AJAX library installed on the server and in the web application AppHtml directory

External Links

• Library Download