CODEWITHSUNDEEP
c#asp.netasp.net-mvcfluentvalidationfluentvalidation-2.0
Stan
Stan

Reputation: 26511

Is it possible to stop checking further validations when the first one fails?

Otherwise I always need to check if the value is null before performing any other validations. It's kinda annoying if I have many custom checks that are using Must().

I placed NotEmpty() at the very top of it therefore it already returns false, is it possible to stop there?

Example

RuleFor(x => x.Name)
    .NotEmpty() // Can we not even continue if this fails?
    .Length(2, 32)
    .Must(x =>
    {
        var reserved = new[] {"id", "email", "passwordhash", "passwordsalt", "description"};
        return !reserved.Contains(x.ToLowerInvariant()); // Exception, x is null
    });

Upvotes: 5

Views: 1300

Answers (1)

Neil Smith
Neil Smith

Reputation: 2565

See here. It's called CascadeMode and can be set on an individual rule like this:

RuleFor(x => x.Name)
    .Cascade(CascadeMode.StopOnFirstFailure)
    .NotEmpty()
    .Length(2, 32);

Or it can be set globally with:

ValidatorOptions.CascadeMode = CascadeMode.StopOnFirstFailure;

Note: if you set it globally, it can be overridden with CascadeMode.Continue on any individual validator class or on any individual rule.

Upvotes: 3

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