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ColdFusion 9 Developer Tutorial

You're reading from   ColdFusion 9 Developer Tutorial Create robust professional web applications with ColdFusion

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Product type Paperback
Published in Jul 2010
Publisher Packt
ISBN-13 9781849690249
Length 388 pages
Edition 1st Edition
Languages
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Author (1):
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John Farrar John Farrar
Author Profile Icon John Farrar
John Farrar
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Table of Contents (22) Chapters Close

ColdFusion 9 Developer Tutorial
Credits
About the Author
About the Reviewers
1. Preface
1. Web Pages—Static to Dynamic 2. Basic CFCs and Database Interaction FREE CHAPTER 3. Power CFCs and Web Forms 4. ORM Database Interaction 5. Application, Session, and Request Scope 6. Authentication and Permissions 7. CFScript 8. CF AJAX User Interface 9. CF AJAX Forms 10. CF AJAX Programming 11. Introduction to Custom Tags 12. ColdFusion Powered Views 13. Control Logic Processing 14. Guide to Unit Testing Beyond this Book Tools and Resources Index

CFC proxy class objects


Another use of CFAJAXProxy is to extend the remote methods of a CFC into the currently loaded AJAX page on the browser. This function is not binding, but rather an actual proxy. This means that we will extend the functionality of the remote methods right into the web page without writing extensive code. We will be converting our math web page to support multiplication and division. We could do this easily in the browser. But we want to show the power of extending CFCs, so we will add these two functions in our CFC and work with them from there:

<cfajaxproxy bind="javascript:doCalc({calcType@click})">
<cfajaxproxy cfc="serverMath" jsclassname="remoteMath">
<cfform id="myForm" format="html">
  Enter Two Numbers.<br />
  <cfinput type="text" name="number1" id="number1"><br />
  <cfinput type="text" name="number2" id="number2"><br />
  <label for="calcAdd">
    <cfinput type="radio" value="add"
             name...
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