public static IPAddress GetHostIP() {             IPHostEntry ipe = Dns.GetHostEntry(Dns.GetHostName());             IPAddress ip = ipe.AddressList[0];             return ip; } private String GetIPAddress() {             String str;             String Result = "";             String hostName = Dns.GetHostName();             IPAddress[] myIP = Dns.GetHostAddresses(hostName);             foreach (IPAddress address in myIP)             {                 str = address.ToString();                 for (int i = 0; i < str.Length; i++)                 {                     if (str[i] >= '0' && str[i] <= '9' || str[i] == '.') Result = str;                 }             }             return Result; }