IPHostEntry strIp = Dns.Resolve(Environment.MachineName);报错!!!
Page_load代码中写入如下代码: 
 String   hostIp; 
                                     hostIp   =    " "; 
                                     IPHostEntry   strIp   =   Dns.Resolve(Environment.MachineName); 
                                  //上面一句报错了。有一个警告。 
                                     for   (int   i   =   0;   i    <   strIp.AddressList.Length;   i++) 
                                                 hostIp   +=   String.Format( "NetCard[{0}],IP={1}\n ",   i   +   1,   strIp.AddressList[i].ToString()); 
                                     Response.Write(hostIp);   
 错误内容如下: 
 警告	1	“System.Net.Dns.Resolve(string)”已过时:“Resolve   is   obsoleted   for   this   type,   please   use   GetHostEntry   instead.   http://go.microsoft.com/fwlink/?linkid=14202”	D:\BMSystem\BMMain\IpConfig.aspx.cs	25	38	http://localhost/BMSystem/ 
------解决方案--------------------警告而已 不理它