Disable automatic model validation ASP.NET Core MVC

Question

I have a Save method which gets a view model passed in. In the Viewmodel I have a bunch of custom validations that happen.

public class DealViewModel : IValidatableObject
{
    public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
    {
    }
}

public IActionResult SaveDeal(DealViewModel dealViewModel)
{
}

I want to run the validation after it hits the save method as I need to get information from session update the view model and then validate.

This is how I validate:

 var isValid = Validator.TryValidateObject(dealViewModel, context, results, true);

But my code hits the validation method before it even its in the SaveDeal method in the controller.

Is there a way to stop that and just force validate when I am ready?

mrbitzilla · Accepted Answer · 2020-11-18 05:05:36Z

0

Possible duplicate of: Correct way to disable model validation in ASP.Net Core 2 MVC

But this might help: https://learn.microsoft.com/en-us/aspnet/core/mvc/models/validation?view=aspnetcore-3.1#disable-validation

Basically, add a new class that inherits the IObjectModelValidator but does nothing on the Validate method. Also add it to the dependency injection container.

answered Nov 18, 2020 at 5:05

mrbitzilla

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