摘要：
对一个旧专案进行修改，修改完毕之后，进行编译，修改部份没有问题，反而在另外一页code没有修改的地方：Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->System.Net.Dns.GetHostByAddress(Request.UserHostAddress).HostName;却下面的警告：warning CS0618: 'System.Net.Dns.GetHostByAddress(string)' is obsole 阅读全文
