How to write asp with C # Software
This article will explain in detail how to write asp in C# software. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.
Source code:
Void doQuery (Object sender, EventArgs e)
{
String strDomain = txtDomain.Text
Char [] chSplit = {'.'}
String [] arrDomain = strDomain.Split (chSplit)
Int nLength = arrDomain [1] .length
Hashtable table = new Hashtable ()
Table.Add ("de", "whois.denic.de")
Table.Add ("be", "whois.dns.be")
Table.Add ("gov", "whois.nic.gov")
Table.Add ("mil", "whois.nic.mil")
String strServer; / / define whois server
/ / if the domainname's end is cn then the server is cnnic
Otherwise is networksolutions
If (arrDomain [arrDomain.Length-1] = = "cn")
{
StrServer = "159.226.6.139"
}
Else
{
StrServer = "whois.networksolutions.com"
}
If (table.ContainsKey (arrDomain [1]))
{
StrServer = table [arrDomain] [1]] .ToString ()
}
Else if (nLength = = 2)
{
/ / 2-letter TLD's always default to RIPE in Europe
StrServer = "whois.ripe.net"
}
String strResponse
Bool bSuccess = DoWhoisLookup (strDomain, strServer, out strResponse)
If (bSuccess)
{
TxtResult.Text = strResponse
}
Else
{
TxtResult.Text = "Lookup failed"
}
}
Bool DoWhoisLookup (String strDomain, String strServer, out String strResponse)
{
StrResponse = "none"
Bool bSuccess = false
TCPClient tcpc = new TCPClient ()
If (0 = tcpc.Connect (strServer, 43))
{
StrDomain + = "\ r\ n"
Byte [] arrDomain = Encoding.ASCII.GetBytes (strDomain.ToCharArray ())
Try
{
Stream s = tcpc.GetStream ()
S.Write (arrDomain, 0, strDomain.Length)
StreamReader sr = new StreamReader (tcpc.GetStream (), Encoding.ASCII)
StringBuilder strBuilder = new StringBuilder ()
While (- 1! = sr.Peek ())
{
StrBuilder.Append (sr.ReadLine () + "")
}
Tcpc.Close ()
BSuccess = true
StrResponse = strBuilder.ToString ()
}
Catch (Exception e)
{
StrResponse = e.ToString ()
}
Return bSuccess
}
Else
{
StrResponse = "Could not connect to Whois server"
Return false
}
Return false
}
Domain name: WWW.
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