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Domini - << VERSIONE VB.NET >>
Risolvere un nome di dominio
<%@ Import namespace="System.Net" %>
<%@ Import namespace="System.IO" %>
<%@ Page Language="C#" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<script runat="server">
private void btnSubmit_Click(Object sender, EventArgs e)
{
try
{
IPHostEntry HostInfo = Dns.GetHostByAddress(tbIP.Text);
tbDomain.Text = HostInfo.HostName;
}
catch (Exception ex)
{
tbDomain.Text = "Host sconosciuto!";
}
}
</script>
</head>
<body>
<form name="Form1" runat="server" ID="Form1">
<TABLE id="Table1" cellSpacing="0" cellPadding="4" width="300" border="0">
<TR>
<TD>IP</TD>
<TD>
<asp:textbox runat="server" id="tbIP" /></TD>
</TR>
<TR>
<TD></TD>
<TD>
<asp:button runat="server" text="Risolvi" ID="btnSubmit" OnClick="btnSubmit_Click" /></TD>
</TR>
</TABLE>
<BR>
<asp:label runat="server" id="tbDomain" />
</form>
</body>
</HTML>
