How can I implement advanced validation in ASP.NET MVC?

How can I implement advanced validation in ASP.NET MVC?

You can implement advanced validation in ASP.NET MVC by using data annotations, custom validation attributes, and validation frameworks like FluentValidation.

Can you give me an example of a custom validation attribute?

Sure! You can create a custom validation attribute by inheriting from ValidationAttribute and overriding the IsValid method to include your validation logic.

What are some common scenarios where I would need advanced validation?

Common scenarios include validating complex business rules, cross-field validation, and conditional validation based on user input.

How do I handle validation errors in the view?

You can display validation errors in the view using Html.ValidationMessageFor or by checking ModelState.IsValid in your controller.