AJAX Library for Visual DataFlex: Difference between revisions

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[[Visual DataFlex Studio ]] has a library that can be used to develop [[AJAX]] web applications available from
[[Visual DataFlex Studio]] has a library that can be used to develop [[AJAX]] web applications available from
http://www.visual-dataflex.co.uk/1seater.asp?pageid=948
http://www.visual-dataflex.co.uk/1seater.asp?pageid=948




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


Ok. now you are hooked. and you want to start using the [[AJAX Library for Visual DataFlex| AJAX library ]]. This page is about that.
You probably allready now how to create a datamodel [[Using DataDictionaries]] from earlier [[Visual DataFlex]] programming experience. Now just attach you DataDictionaries [[Using AJAX Web Browser Objects]] - this brings your existing datamodel to the ajax world. ( See [[AJAX Rating Example]] for how to do that ).




If you are here , then you probably want to develop a web solution. We will asume that you know  [[How to develop ASP pages]] .
== Basics ==
 
*[[Using DataDictionaries]]
 
*[[How to develop ASP pages]]
== Introduction ==
The goal of the Visual DataFlex AJAX library is to bring the experience from the Window version of Visual DataFlex to the web using [[AJAX]] techniques.


You probably allready now how to create a datamodel [[Using DataDictionaries]] from earlier [[Visual DataFlex]] programming experience. Now just attach you DataDictionaries [[Using AJAX Web Browser Objects]] - this brings your existing datamodel to the ajax world. ( See [[AJAX Rating Example]] for how to do that ).


== Howtos ==
== Frequent issues ==
*[[Adding the AJAX Library to your application]]
*[[Adding the AJAX Library to your application]]
*[[Creating a AJAX Web application]]
*[[Creating a AJAX Web application]]
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*[[Creating a AJAX Form]]
*[[Creating a AJAX Form]]
*[[AJAX Remote Method Invocation ]]
*[[AJAX Remote Method Invocation ]]




== Typical problems ==
== 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 .
*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 set the correct access rights on your asp files.
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== Stuff you need to know ==
*[[Using DataDictionaries]]
*[[Using the AJAX Library]]
*[[How to develop ASP pages]]


== Examples ==
== Examples ==

Revision as of 16:47, 12 October 2007

Visual DataFlex Studio has a library that can be used to develop AJAX web applications available from http://www.visual-dataflex.co.uk/1seater.asp?pageid=948


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

You probably allready now how to create a datamodel Using DataDictionaries from earlier Visual DataFlex programming experience. Now just attach you DataDictionaries Using AJAX Web Browser Objects - this brings your existing datamodel to the ajax world. ( See AJAX Rating Example for how to do that ).


Basics


Frequent issues


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



Examples