How to merge several arrays in a List using Linq?

Question

I have List<Product[]> and I need to join them into one Product[].

Answer 1

You can use SelectMany and then ToArray to do this.

var result = source.SelectMany(i => i).ToArray(); 

Answer 2

You can use .Concat() extension method as well, and then .ToArray(): x.Concat(y).Concat(z).ToArray();