Command Processor Class - Command Query Responsibility Separation with Command Processor in asp.net mvc

CommandProcessor.cs

public class ProductAddHandler
    : ICommandHandler<ProductAddCommand>
{
    private readonly IProductRepository _productRepository;
    public ProductAddHandler(IProductRepository productRepository)
    {
        this._productRepository = productRepository;
    }

    public ICommandResult Execute(ProductAddCommand command)
    {
        var product = new Models.Product
        {
            CreateDate = DateTime.Now,
            Decription = command.Decription,
            ProductName = command.ProductName,
            SerialNo = command.SerialNo,
            UnitPrice = command.UnitPrice
        };
        _productRepository.Create(product);

        return new CommandResult(true);
    }
}

public class ProductController : Controller
{

    private ICommandBus _commandBus;
    public ProductController(ICommandBus commandBus)
    {
        this._commandBus = commandBus;
    }
        
    public ActionResult Create()
    {
        ProductAddCommand cmd = new ProductAddCommand()
        {
            ProductName = "MAC Pro",
            Decription = "high tech. industry",
            SerialNo = "ASd43Er8#233W",
            UnitPrice = 1300
        };
        IEnumerable<ValidationResult> errors = _commandBus.Validate(cmd);
        ModelState.AddModelErrors(errors);
        if (ModelState.IsValid)
        {
            var result = _commandBus.Submit(cmd);
            if (result.Success)
            {

            }
            else
            {

            }
        }


        return View();
    }
}