October 2010
Intermediate to advanced
1920 pages
73h 55m
English
Content preview from ASP.NET 4 Unleashed
Using the
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Using the CompareValidator Control
The CompareValidator control enables you to perform three different types of validation tasks. You can use the CompareValidator to perform a data type check. In other words, you can use the control to determine whether a user has entered the proper type of value into a form field, such as a date in a birth date field.
You also can use the CompareValidator to compare the value entered into a form field against a fixed value. For example, if you build an auction website, you can use the CompareValidator to check whether a new minimum bid is greater than the previous minimum bid.
Finally, you can use the CompareValidator to compare the value of one form field against another. For example, you use the CompareValidator ...
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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.