Base Class Validations are not getting triggered with Fluent Validation in Asp.Net Core 3.0

Question

I'm using FluentValidation version: 8.5.1 in my Asp.Net Core 3.0 Razor Pages project.

I have a class derived from base class as shown below:

public class BranchEditViewModel : BranchViewModel
{
    public Guid Id { get; set; }
    public bool Active { get; set; }
}

I'm trying to validate my derived class in my update method as shown below:

public async Task<IActionResult> OnPutAsync([FromForm] BranchEditViewModel model)

But this doesn't work for some reason. The Validations are not getting called.

When I create AbstractValidator for my base class as shown below, the validator is not getting called.

public class BranchViewModelValidator : AbstractValidator<BranchViewModel>

But if I create AbstractValidator for my dervied class as shown below, the validator is getting called.

public class BranchViewModelValidator : AbstractValidator<BranchEditViewModel>

Please can you assist on why this is not working with base class? Am I doing something wrong?

The Base validator needs to be invoked manually. See https://stackoverflow.com/a/36022690/10091607 and https://github.com/JeremySkinner/FluentValidation/issues/738 — itminus, Nov 07 '19 at 10:24

score 0 · Accepted Answer · answered Nov 08 '19 at 01:36

Here is how I made this working. I created a separate BranchEditViewModelValidator and then called Include(new BranchViewModelValidator()) from it.

public class BranchEditViewModelValidator : AbstractValidator<BranchEditViewModel>
{
    public BranchEditViewModelValidator()
    {
        Include(new BranchViewModelValidator());
    }
}

Base Class Validations are not getting triggered with Fluent Validation in Asp.Net Core 3.0

1 Answers1