Validation Controls in Web Forms
Validation is one of the less talked about areas - often taken for granted. As programmers we instinctively know what values not to enter in our web pages. Real world situations are often different. We can be proactive and catch the “error” conditions using validation controls.
The text of this article is not in this database — only its details are. The old site it was published on is gone, but the Internet Archive kept a copy: Validation Controls in Web Forms

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