2.6. For Your Date in the Boardroom: Ext JS Charting

A long time ago in a web application far, far away, charting was, shall we say, a bit of a challenge... maybe not so much a challenge as a hassle! To generate a chart, say a bar chart, you had to call on the server to generate some sort of image file, such as a JPEG, in real time. The image was based on some data that you either passed from the client or that already resided on the server. You then returned the image to the browser to be displayed. It wasn't perhaps the most difficult challenge in all of application development, but there were quite a few steps involved that had to all work together to get the chart in front of your users' eyes.

In the world of RIAs, where we endeavor to make ...

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