Summary
Explore how to enhance data integrity through defining and enforcing constraints at the model level in MVC applications. Understand data conversions between UI, model, and storage layers, and learn about responsive validation that provides real-time user feedback. This lesson helps you implement reliable validation and constraint logic in your JavaScript front-end app to ensure data consistency and usability.
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Key takeaways
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Constraints are logical conditions on the data of an application. The simplest and most important types of constraints are property constraints and object-level constraints.
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Constraints should be defined in the model classes of an MVC application since they are part of their business semantics.
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Constraints should be checked in various places of an ...