default.aspx.cs

Domain check web application using C#.net

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Net;



public partial class _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {        
    }

    public string GetIPAddress(string sHostName)
    {        
            IPHostEntry ipEntry = Dns.GetHostByName(sHostName);
            IPAddress[] addr = ipEntry.AddressList;
            string sIPAddress = addr[0].ToString();
            return sIPAddress;                                                                            
    }
    protected void Button1_Click(object sender, EventArgs e)
    {        
        t2.Text = GetIPAddress(t1.Text.ToString());
    }

    protected void Button2_Click(object sender, EventArgs e)
    {      
        t1.Text = ""; 
        t2.Text = "";
    }   
    protected void Button3_Click1(object sender, EventArgs e)
    {
       
    }
    protected void Button3_Click(object sender, EventArgs e)
    {
       
    }
}