Create a copy of an object using reflection

public class ClassA
    {
        public ClassA()
        {
            ronly = 300;
        }
        private static int Count;
        public int ID { get; set; }
        public string Name { get; set; }
        public double Amount { get; set; }
        public DateTime DOB { get; set; }
        public readonly int ronly;
        private int _Age;
        public void SetAge(int age)
        {
            this._Age = age;
            Count = age;
        }
        public int GetAge()
        {
            return _Age;
        }
    }
}

public static ClassA CreateCopy(ClassA src)
        {
            ClassA obj = new ClassA { };
            foreach (var item in src.GetType().GetFields(BindingFlags.NonPublic|BindingFlags.Instance))
            {
                obj.GetType().GetFields(BindingFlags.NonPublic | BindingFlags.Instance).FirstOrDefault(n => n.Name == item.Name).SetValue(obj, item.GetValue(src));
            }
            return obj;
        }