ASP. NET (C #) uses QQ's IP database qqwry. dat for precise IP address query

Download the latest IP database qqwry. dat and search for the latest qqwry. dat in Google.
Http://www.google.com/search? Hl = ZH-CN & newwindow = 1 & Q = IP % E6 % 95% B0 % E6 % 8d % AE + qqwry & btng = % E6 % 90% 9C % E7 % B4 % A2 & LR = download iplocation. DLL address: iplocation. iplocation; key functions: iplocate (byval strconn as string, byval strip as string) Where: strconn is the database connection string, such as server. mappath ("qqwry. dat ") strip returns a string type for IP address query. It is an IP address example. put dat in the root directory of the website string Conn, ipstr, addstr;
Conn = server. mappath ("qqwry. dat ");
Ipstr = textbox1.text;
Addstr = iplocation. iplocation. iplocate (Conn, ipstr );
Label1.text = "IP:" + ipstr + "<br> address:" + addstr;