RhSolutions-AddIn/RhSolutions.AddIn/Models/Product.cs

using System.Linq;

namespace RhSolutions.Models
{
    public class Product
    {
        public string ProductLine { get; set; }
        public string ProductSku { get; set; }
        public string Name { get; set; }

        public override bool Equals(object obj)
        {
            if (obj as Product == null)
                return false;

            Product other = obj as Product;

            return ProductLine == other.ProductLine &&
                ProductSku == other.ProductSku &&
                Name == other.Name;
        }

        public override int GetHashCode()
        {
            string[] properties = new[]
            {
                ProductLine,
                ProductSku,
                Name
            };

            return string.Concat(properties.Where(p => p != null)).GetHashCode();
        }
    }
}