November 2001
Intermediate to advanced
736 pages
16h 7m
English
Content preview from Inside ASP.NET
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Validation Controls
One area of Web Forms that has not been covered yet are Validation Controls. These web controls are used to perform validation against any other control in a Web Form. In total, there are six validation controls:
RequiredFieldValidator— Used to ensure that a specified control has been filled out.
CompareValidator— Used to compare the value of a control against another value.
RangeValidator— Used to ensure that data entered into the control falls between a range of values.
RegularExpressionValidator— Used to check the formatting of a control’s value against a regular expression string.
CustomValidator— Used to validate the value of a control against a custom validation routine or logic.
ValidationSummary— Used to display ...
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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.