October 2010
Intermediate to advanced
1920 pages
73h 55m
English
Content preview from ASP.NET 4 Unleashed
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Overview of the Validation Controls
ASP.NET 4 includes six validation controls:
• RequiredFieldValidator—
Enables you to require a user to enter a value in a form field.
• RangeValidator—
Enables you to check whether a value falls between a certain minimum and maximum value.
• CompareValidator—
Enables you to compare a value against another value or perform a data type check.
• RegularExpressionValidator—
Enables you to compare a value against a regular expression.
• CustomValidator—
Enables you to perform custom validation.
• ValidationSummary—
Enables you to display a summary of all validation errors in a page.
You can associate the validation controls with any form controls included in ASP.NET Framework. For example, if you want to require ...
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