Using the AJAX Library

Ok. now you are hooked. and you want to start using the AJAX library . This page is about that.

how to add the AJAX library to your workspace

Fetch the library from : http://www.dataaccess.nl/IframeText.asp?pageid=1378 and install it

• select the workspace you want to use.
• Right click in the class palette in Visual DataFlex Studio.
• press "add/remove libraries".
• press "Add Library"
• navigate to where you installed the VDF AJAX library. I installed mine in "c:\programmer\Visual DataFlex AJAX Library 1.0" .
• click on the sws file for the AJAX library
• choose "yes" for relative pathing
• chose "OK"

Howtos

• Creating a AJAX Web application
• Using WebObjects
• Creating a AJAX Form

"The Good stuff"

You probably allready now how to create a datamodel Using DataDictionaries . Now just attach these Using WebObjects - this brings your existing datamodel to the ajax world. ( See AJAX Rating Example for how to do that ).

Typical problems

• if you get a http 500 , then you probably forgot to copy the files from the the AppHtml dir in the AJAX library to your project .
• remember to set the correct access rights on your asp files.
• Remember to have the same version installed on the server and in the webapplication AppHtml directory
• Learn How to develop ASP pages