学步园

      public delegate void DelegateA(String s);
      private void FA(String s)
      {   
           Response.Write("hi "+ s);
      }
      private void FB(String s)
      {
          Response.Write("88 " + s);
      }
      private void FC(String s)
      {
          Response.Write("this is " + s);
      }
      public void DoDelegateA(DelegateA da,String info)
      {
           da(info);
      }

引用：

（1）DoDelegateA(new DelegateA(FA),"bai");

（2）DelegateA a = new DelegateA(FA);
        a("bai");