public void Add(T value)
{
LinkedNode<T> node = new LinkedNode<T>(value);

            if (_first == null)
            {
                _first = node;
            }
            else if (node.Value.CompareTo(_first.Value) <= 0)
            {
                node.Next = _first;
                _first = node;
            }
            else
            {
                LinkedNode<T> tempNode = _first;

                while (tempNode.Next != null && node.Value.CompareTo(tempNode.Next.Value) >= 0)
                    tempNode = tempNode.Next;

                node.Next = tempNode.Next;
                tempNode.Next = node;
            }
}