using System;
class  C1
{
 public string Name;
 public string ID;
 public string Name1;
 public int Age;
}
class C2
{
 public static void Main()
 {
  C1 c  = new C1();
  c.Name = "heng yi zi xun";
  c.ID = "001";
  c.Name1 = "wangqiang";
  c.Age = 20;
  Console.WriteLine(" gong si ming cheng{0}",c.Name);
  Console.WriteLine(" yuan gong dai ma{0}",c.ID);
  Console.WriteLine(" yuan gong ming cheng{0}",c.Name1);
  Console.WriteLine(" yuan gong nian ling{0}",c.Age);
 }
}

using System;
struct C1
{
 public string Name;
 public string ID;
 public string Name1;
 public int Age;
}
class C2
{
 public static void Main()
 {
  C1 c;
  c.Name = "heng yi zi xun";
  c.ID = "001";
  c.Name1 = "wang qiang ";
  c.Age = 20;
  Console.WriteLine(" gong si ming cheng{0}",c.Name);
  Console.WriteLine(" yuan gong dai ma{0}",c.ID);
  Console.WriteLine(" yuan gong ming cheng{0}",c.Name1);
  Console.WriteLine(" yuan gong nian ling{0}",c.Age);
 }
}

以上两个程序的区别在哪里，我看没有什么区别，好像是访问上的区别，请详细指点一下。谢谢