ASP.NET MVC Editing A Collection Best Practices - Your Opinion

Question

Given the following class, what is your opinion on the best way to handle create/edit where Attributes.Count can be any number.

public class Product {
  pub         


        

Answer 1

Use a custom Model Binder, and write the Action methods as you would normally:

ActionResult Edit(
  int id, 
  [ModelBinder(typeof(ProductModelBinder))] Product product
) ...

In your ProductModelBinder, you iterate over the Form Collection values and bind to a Product entity. This keeps the Controller interface intuitive, and can help testing.

class ProductModelBinder : IModelBinder ...