productscontroller.cs

public class ProductsController : UmbracoApiController
{
    public IEnumerable<string> GetAllProducts()
    {
        return new[] { "Table", "Chair", "Desk", "Computer", "Beer fridge" };
    }

    [HttpGet]
    public JsonResult GetAllProductsJson()
    {
        return new JsonResult(this.GetAllProducts());
    }
}