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Used to validate Collection properties. This validator is most easily used through the Fluent Properties API
yield return Properties<Employee> .For(e => e.ContactInfo) .Required() .Count(1) .Unique(c => c.Type) .Cascade("Save");
- Cascade() - Will execute Validator.Validate and aggregate the results for each element of the collection where T is the type of the element.
- Cascade<T> - will execute Validator.Validate and aggregate the results for each element of the collection where T is a supertype of the element.
- Count() - requires that the Count of items in the collection be in the specified range.
- If() - specifies a condition under which the validator will be executed.
- Message() - Specifies the message to be returned if the validation fails.
- NotRequired() - The property is not required. If the property does not have a value, no other checks will be run.
- Required() - The property is required.
- Severity() - Specifies the severity of the ValidationResult if the validator fails.
- Type() - Specifies the type of the ValidationResult if the validator fails.
- Unique() - Verifies that the elements of the collection are unique. By default, this is a reference check. Overloads of the Unique() function can accept an EqualityComparer, a predicate, or a selector.
- UsingComparer() - Specifies an instance of IEqualityComparer<T> to use to validate uniqueness.