Getting started

[ice78991]

I am trying to build a web form that updates a database using ajax. What's the best way to get started with this.

I have found a few tutorials on building the basic XMLHttpRequest object and I've also found articles that refer to downloading Asp.net Ajax which seems to involve a number of webform_ functions

What is the difference between these 2 approaches.

 

[dwarfthrower]

That's a hard question to answer without knowing a bit more about the specifics of your environment.

Generally an "AJAX" application has two parts, the client side and the server side. The client side of the application takes input from the user and formulates it as requests for the server side to perform various functions. The server side receives these requests and performs the required actions - like updating the database.

The client side on a web page is generally handled using Javascript. This requires no investment in terms of development tools etc beyond your regular web development tools.

The back end (server side) can be written in any number of programming languages, some of which are freebies and some are quite expensive. On the free side you have things like PHP or J2EE, and on the not-free side there are things like .Net.

The first step would be too look at the back end programming languages you have at your disposal. From there there are a number of resources that will help you with building AJAX applications in that chosen environment.

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