class Program
    {
        public string   exmplStr =  "hello";
        public int      exmplNum =  12321;       
        public void findType(string obj)
        {
            System.Type myType = Type.GetType(this.GetType().ToString());
            System.Reflection.FieldInfo myField = myType.GetField(obj);
            Console.WriteLine(myField.GetValue(this).ToString());
        }
        static void Main(string[] args)
        {
            Program p = new Program();
            p.findType("exmplStr");
            p.findType("exmplNum");
        }
    }