Example for the list comparsion

ListCompareForeach.cs

public static Main()
{
    var listOne = new List<int> { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
    var listTwo = new List<int> { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };

    var resultOne = ListEquals(listOne, listTwo);
    var resultTwo = ListEquals(listTwo, listOne);

    if (resultOne && resultTwo)
    {
        Console.WriteLine("Lists equal.");
    }
    else
    {
        Console.WriteLine("Lists not equal.");
    }
}

private static bool ListEquals(List<int> listOne, List<int> listTwo)
{
    foreach (var entry in listOne)
    {
        if (!listTwo.Any(a => a == entry))
        return false;
    }

    return true;
}