摘要: public static int? TrayParse(string text) { int ret; if (int.TryParse(text,out ret)) { return ret; ... 阅读全文
posted @ 2014-10-22 19:15 ICupid 阅读(219) 评论(0) 推荐(0) 编辑
摘要: public class Person { public DateTime birth; public DateTime? death; string name; public TimeSpan Age { get { ... 阅读全文
posted @ 2014-10-22 16:09 ICupid 阅读(150) 评论(0) 推荐(0) 编辑