[帮忙] object.equal也会出错。。

Question

因为那个里面比较的类型是我自己定义的。。

不知道有什么好方法吗

Answer 1

自己定义的类型你需要在这个类里面重载equal方法，已实现自定义的比较方法。

 

---

family as water

Answer 2

namespace ConsoleApplicationZhiShu
{
    public class Student
    {
        public int Id { get; set; }
        public string Name { get; set; }

        public override bool Equals(object obj)
        {
            Student stu = obj as Student;
            return (stu != null && stu.Id == this.Id && stu.Name == this.Name);
        }
    }
    public class Eratosthenes
    {

        static void Main(string[] args)
        {
            Student s = new Student { Id = 1, Name = "s" };
            Student s2 = new Student { Id = 1, Name = "s" };
            Console.WriteLine(s.Equals(s2));
        }
    }
}

---

如果你有其它意见或私下交流，请发送邮件到：[e-mail]；或者请
下载MSDN桌面工具(Vista,Win7)
下载Technet桌面小工具(Vista,Win7)
慈善点击，点击此处