Linked drop down boxes with Ajax
If you haven’t heard about Ajax, you probably come from another planet! Ajax is a Web 2.0 approach to building Web applications that allows you to load data from an external source asynchronously using JavaScript. Asynchronous loading means that the user can carry on interacting with the Web application whilst data loads in the background. For this reason, it’s often said that Ajax makes applications more responsive, like desktop applications. This tutorial is all about drop down boxes in a form that are populated using an Ajax approach. Ajax most often works with XML documents although it can also deal
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