vsnetCSsrc

Lookup.aspx

<%@ Page language="c#" Codebehind="Lookup.aspx.cs" AutoEventWireup="false" Inherits="aspNetDnsTest.Lookup" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
  <HEAD>
    <meta name="GENERATOR" Content="Microsoft Visual Studio 7.0">
    <meta name="CODE_LANGUAGE" Content="C#">
    <meta name=vs_defaultClientScript content="JavaScript">
    <meta name=vs_targetSchema content="http://schemas.microsoft.com/intellisense/ie5">
  </HEAD>
  <body MS_POSITIONING="GridLayout">
	
    <form id="Form1" method="post" runat="server">
Please enter an IP Address to lookup:
<br>
<input type=text id=txtIPAddress runat=server NAME="txtIPAddress" ><input type=submit value="submit">
<asp:Literal ID=litMsg Runat=server></asp:Literal>

    </form>
	
  </body>
</HTML>

Lookup.aspx.cs

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using aspNetDns;
using aspNetDns.Records;

namespace aspNetDnsTest
{
	/// <summary>
	/// Summary description for WebForm1.
	/// </summary>
	public class Lookup : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Literal litMsg;
		protected System.Web.UI.HtmlControls.HtmlInputText txtIPAddress;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			if( Page.IsPostBack)
			{
				if( txtIPAddress.Value.Length > 0 )
				{
					PointerRecord[] records = PointerRecord.GetPointerRecords( txtIPAddress.Value );
					if( records.Length > 0 )
					{
						litMsg.Text = string.Empty;
						for( int i=0;i<records.Length;i++)
						{
							litMsg.Text += "<BR>" + txtIPAddress.Value + " maps to " + records[i].PointerName;
						}
					}
					else
					{
						litMsg.Text = "No Records Were Found.";
					}
				}
				else
				{
					litMsg.Text = "Please Enter a Valid IP Address";
				}

			}
			else //populate with the client IP Address
			{
				txtIPAddress.Value = Request.UserHostAddress;
			}
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{    
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
	}
}