Book Image

ColdFusion 9 Developer Tutorial

By : John Farrar
Book Image

ColdFusion 9 Developer Tutorial

By: John Farrar

Overview of this book

Adobe ColdFusion is an application server, renowned for rapid development of dynamic websites, with a straightforward language (CFML), powerful methods for packaging and reusing your code, and AJAX support that will get developers deep into powerful web applications quickly. However, developing rich and robust web applications can be a real challenge as it involves multiple processes.With this practical guide, you will learn how to build professional ColdFusion applications. Packed with example code, and written in a friendly, easy-to-read style, this book is just what you need if you are serious about ColdFusion.This book will give you clear, concise, and practical guidance to take you from the basics of ColdFusion 9 to the skills that will make you a ColdFusion developer to be reckoned with. It also covers the new features of ColdFusion 9 like ORM Database Interaction and CF Builder.ColdFusion expert John Farrar will teach you the basics of ColdFusion programming, application architecture, and object reuse, before showing you a range of topics including AJAX library integration, RESTful Web Services, PDF creation and manipulation, and dynamically generated presentation files that will make you the toast of your ColdFusion developer town.This book digs deep with the basics, with real-world examples of the how and whys, to get more done faster with ColdFusion 9.
Table of Contents (22 chapters)
ColdFusion 9 Developer Tutorial
Credits
About the Author
About the Reviewers
Preface
Index

Bind with event


One of the features of binding is that we might overlook its binding based on an event. In the previous examples, we mentioned that the normal event trigger for binding took place when the bound field lost its focus. The following example shows a bind that occurs when the key is released:

<cfform id="myForm" format="html">
  This is my edit box.<br />
  <cfinput type="text" name="myText">
</cfform>
<hr />
And this is the bound div container.<br />
<cfdiv bind="{myText@keyup}"></cfdiv>

This is similar to our first example, with the only difference being that the contents of the div are updated as each key is pressed. This works in a manner similar to CFC, JavaScript, and URL bindings. We might also consider binding other elements on a click event, such as a radio button. The following example shows that all bound variables are updated when any event-oriented binding occurs:

<cfform id="myForm" format="html">
  This is my...