1. A Beginners Session to Ajax
Asynchronous client calls to the server. A “Post Back” free environment.
By Jonas Stawski

2. What To Expect From This Session
Basics of Ajax
BIG picture of how Ajax works
Code samples

3. What Not To Expect From This Session
Inner workings of Ajax (Ajax engine)
Atlas

4. What is Ajax? Asynchronous Javascript And XML
Not a technology, but a group of technologies. Basically, server roundtrips without posting back and no browser “flickering”.

5. What is so cool about Ajax?
Connection between client side script and server side script.
Better user experience
More flexibility
More options
DropDown: Javascript array or Server trip

6. How does Ajax work?
A client script asynchronously calls a server side function.

7. Classic VS Ajax
Ajax Engine emphasis

8. What is Microsoft doing about it?

9. Ajax In the Real World Windows Live Local
Windows Live Mail (Hotmail Beta)
Google Maps
Google Suggest

10. Scenario
Car Classifieds website has a dropdown with the makes of all the cars. Based on the selection of the “makes” dropdown the “models” dropdown has to be populated with the correct models provided by the manufacturer.

11. Steps Add a reference to the Ajax engine.
Must tell the application how to handle ashx files
Must register the class to be used by Ajax.
Create a PUBLIC function in the server side that will be accessed from the client script.
Mark the function so it is available on the client side.
Access the server side function through client side script.
Handle your need.

12. Samples Sample 1: Get Time from the server.
Sample 2: Passing parameters to the server.
Sample 3: Passing objects as parameters.
Sample 4: Getting a class from the server.
Sample 5: Google Suggest mock up.
Sample 6: Writing your own AJAX.

13. References Ajax.NET Proffesional http://www.schwarz-interactive.de/
Ajax: A New Approach to Web Applications
Latest AjaxPro.dll: