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3. Passing Data Between Templates

Chapter 3. Passing Data Between Templates

While web applications might seem to be all about individual web pages, it is the passing of data between pages that is key to making an application work. You need to be able to pass data between ColdFusion templates for any form of interactivity. For example, if the user fills out an online form requesting additional information about a product, your application needs a mechanism for passing the data entered in the form fields to another page (or itself) that is capable of taking that data and acting on it. Likewise, if the user clicks on a hyperlink that initiates a parameter-driven query, the application needs a way to pass the parameters that make up the choice to the next template in the application for processing.


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