• Matthew MacDonald


This chapter looks at some of the most useful controls that are included in ASP.NET: the validation controls. These controls take a previously time-consuming and complicated task—verifying user input and reporting errors—and automate it with an elegant, easy-to-use collection of validators. Each validator has its own built-in logic. Some check for missing data, others verify that numbers fall in a predefined range, and so on. In many cases, the validation controls allow you to verify user input without writing a line of code.


Input Control Regular Expression Error Message Validation Group Event Handler 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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© Matthew MacDonald 2010

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  • Matthew MacDonald

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