请问要如何从 method 去带入 class 的属性?
如以下范例
感谢~
    class person
    {
        public string weight = "50";
        public string height = "150";
    }
    class Program
    {
        // 由 item 可以选择 weight或是 height
        public void printItemValue(person p, string item)
        {
            Console.WriteLine(p.item);
        }
        static void Main(string[] args)
        {
            person A = new person();
            person B = new person();
            person C = new person();
            person D = new person();
            List<person> persons = new List<person>() { A , B, C, D};
            foreach (person p in persons)
            {
                printItemValue(p, "weight");
            }
        }
    }