How does Entity Framework support custom validation logic that involves multiple properties of an entity?
- By configuring Fluent API rules for validation
- By creating custom validation methods within the DbContext class
- By implementing the IValidatableObject interface on the entity class
- By using Data Annotations to define custom validation attributes
Entity Framework supports custom validation logic involving multiple properties of an entity through the IValidatableObject interface. This interface allows you to define a method within your entity class to perform validation that involves multiple properties. When the Validate method is called during entity validation, you can implement custom validation logic that accesses multiple properties and returns a collection of ValidationResult objects to indicate any validation errors.
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