ajax call to database - Database - Data BasyX

How do you autopopulate a second <select> element with options using AJAX?

I know that I need to use the onChange event from the first element to trigger the AJAX call to query the database and return results, but I'm unclear on how to use PHP and Javascript to create the new options.

I have seen an example before


Say you have the list of option in a db table "options", with fields "optval", "opttxt", where optval is the reference you pass (ie "opt1"), and opttxt, the text to display (ie "A Volvo")
Somewhere,

Liberal doubts aired at crash through tactics

Tony Abbott's last party room meeting before his MPs and senators headed home for Christmas should have been a happy event, with the polls showing the Coalition would win an election in a landslide. Instead it was tense and tetchy.

Abbott slapped down backbencher and former Howard government adviser Kelly O'Dwyer for questioning short cuts taken in party decision-making processes, telling her to ring her old boss Peter Costello and ''ask him what he used to do''. ''It was a rude and pointless put down,'' a colleague said. The Coalition leader bristled at suggestions he should tone down his negativity. He had to calm rural Liberal MPs angry at the growing influence of the Nationals.

It was the last chance for the Coalition foot soldiers to say to their leader's face what they have for some time been saying in private, that he needs to change strategic direction, that his short-term whatever-it-takes attack strategy is now jeopardising his long-term success.

Abbott's

PHP Tutorials: jQuery: Get data from MySQL Database without refreshing

Outputs the age of a specified name typed in a form, without a page refresh. It's easy, using jQuery! Great for beginners to AJAX style ...

Automatic message notification. - JavaScript / DHTML / AJAX

//Get the result from the database through AJAX request that will retrieve the result in XML node . The server doesn't know anything but what the client requests and generally doesn't have a mechanism for telling the client anything that the client doesn't make a request for (has to do with the current HTTP protocol and it's limitations). // AJAX call to database. result = XML_result....

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ajax call to database - Bookshelf


Beginning Ajax
498 pages
Beginning Ajax

Ajax requests are used to call each of these files. The list display and the database records are dynamically updated. Inserting a Record The index page ...

Foundations of Ajax
273 pages
Foundations of Ajax

In a real-world implementation, the storeEmployee method would likely call a database service that would handle the details of performing the database ...

Ultra-fast ASP.NET: Build Ultra-Fast and Ultra-Scalable Websites Using ASP.NET and SQL Server
460 pages
Ultra-fast ASP.NET: Build Ultra-Fast and Ultra-Scalable Websites Using ASP.NET and SQL Server

There are a couple of tricks to making database precaching effective with ... On the web server, the other side of the Ajax call would queue a request to a ...

Pro Ajax and the .NET 2.0 platform
463 pages
Pro Ajax and the .NET 2.0 platform

This happens because the Ajax call that is rendered on the login page is ... Setting up the provider model to reference a custom SQL Server database can be ...

Professional Ajax
624 pages
Professional Ajax

When the next call is made to checkComments(), the ID retrieved from the database can be checked against the one stored in iLastCommentId to determine if a ...

ajax call to database - News


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