September 2007
Intermediate to advanced
600 pages
20h 21m
English
book
Adobe ColdFusion 8 Web Application Construction Kit, Volume 1: Getting Started
by Ben Forta, Raymond Camden, Charlie Arehart
Content preview from Adobe ColdFusion 8 Web Application Construction Kit, Volume 1: Getting Started
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Processing List Boxes
Another field type you will frequently use is the list box. Using list boxes is an efficient way to enable users to select one or more options. If a list box is created to accept only a single selection, you can be guaranteed that a value is always returned. If you don’t set one of the options to be pre-selected, the first one in the list is selected. An option always has to be selected.
List boxes that allow multiple selections also allow no selections at all. If you use a multiple-selection list box, you once again have to find a way to ensure that ColdFusion doesn’t generate variable is undefined errors.
Listing 12.6 contains the same data-entry form you just created, but it replaces the option buttons with a list box. ...
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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.