macromedia® Coldfusion® MX 7 Web Application Construction Kit

Chapter 9. CFML Basics

IN THIS CHAPTER

Working with Conditional Processing 189

If Statements 189

Using Looping 207

Reusing Code 212

Revisiting Variables 216

Working with Conditional Processing

Chapter 8, “Using ColdFusion,” introduced two ColdFusion tags (<cfoutput> and <cfset>), functions, and variables. This chapter takes CFML one big step further, adding conditional and programmatic processing, the stuff that starts to add real power to your code.

The code you wrote in the last chapter was linear—ColdFusion started at the top of the page and processed every line in order. And although that works for simple applications, more often than not you'll need to write code that does various things based on conditions, such as:

• Displaying different messages ...