By fifthposition
via dave-klein.blogspot.com
Published: Sep 01 2010 / 08:35
Grails provides powerful and easy-to-use constraint validation. With a few short lines in a simple DSL, you can ensure that required fields are filled in or that numeric field values are within a specified range. If you take advantage of Grails’ scaffolding, error reporting is also handled for you. The only catch is that it’s server-side only. If you want this type of validation without a round-trip to the server, you’re on your own — unless you use Peter Delahunty’s JavaScript Validation plugin.
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Tags: frameworks, groovy, how-to, javascript
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