December 2002
Intermediate to advanced
672 pages
16h 53m
English
Content preview from XSLT CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Populating a Form
Problem
You want to merge XML data into a predesigned form before delivering it to the client.
Solution
Provided you use XHTML or otherwise create well-formed HTML, you can use XSLT to merge an HTML document with data in an XML document. Here we will merge data in an XML document with a boilerplate HTML form. For example, imagine that your company’s web designer created a form used when online customers are ready to complete a purchase. The form needs to add sales tax, based on the state selected by the customers, when entering their billing addresses. Since the states your company must collect tax for and the tax rates themselves can change, hardcoding these rates into the form would not be a good idea. Instead, you could have the server merge the tax data into the form dynamically by using XSLT.
The sales tax data might be stored (or extracted from a database) like this:
<salesTax>
<state>
<name>AL</name>
<tax>4</tax>
</state>
<state>
<name>AK</name>
<tax>0</tax>
</state>
<state>
<name>AZ</name>
<tax>5.6</tax>
</state>
...
<state>
<name>WY</name>
<tax>4</tax>
</state>
</salesTax>The boilerplate HTML form might look like this:
<html> <head> <title>Check Out</title> <script type="text/javascript" language="JavaScript"> <!-- /* Initialize tax for default state */ setTax(document.customerInfo.billState) /*Recompute tax when state changes */ function setTax(field) { var value = new String(field.value) var commaPos = value.indexOf(",") var taxObj = document.customerInfo.tax ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.