How to manually validate a model with attributes?

Question

I have a class called User and a property Name

public class User
{
    [Required]
    public string Name { get; set; }
}
         


        

Answer 1

You can use Validator to accomplish this.

var context = new ValidationContext(u, serviceProvider: null, items: null);
var validationResults = new List();

bool isValid = Validator.TryValidateObject(u, context, validationResults, true);