Form Validation
Learn how to validate a form in a Vaadin application.
Form validation is a fundamental aspect of building robust and user-friendly applications. It ensures that the data entered by users meets the expected format and business rules before it’s processed or stored. Effective validation helps safeguard the security and integrity of your application. It also enhances the user experience by providing immediate feedback and preventing common input errors.
To learn more about validation from a broader architectural perspective, see the Data Consistency deep dive.
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Tip
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Part of a Series
This is part 2 of the Add a Form series. It builds on the concepts introduced in the Fields & Binding guide.
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Vaadin provides built-in support for form validation in both Flow and Hilla: