Check domain name availability in ASP.NET

Domain verification

Goals:

This project is used to verify the domain that it is present on the webserver


Steps:


1) create a C# web application.

2) In the aspx page create textbox, literal and button.

3) type the following code in the aspx.cs file


System.Net.HttpWebRequest req;
System.Net.HttpWebResponse res;
System.IO.StreamReader r;
string pge;
string url = "http://" + domain.Text;
if (IsPostBack)
{
try
{
req = (System.Net.HttpWebRequest)HttpWebRequest.Create(u rl);
req.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; .NET CLR 1.0.3705)";
res = (System.Net.HttpWebResponse)req.GetResponse();
r = new System.IO.StreamReader(res.GetResponseStream());
pge = r.ReadToEnd();
r.Close();
res.Close();
ErrMSG.Text = "";
}
catch (Exception ex)
{
ErrMSG.Text = "Domain is not available";
}
finally
{
if (ErrMSG.Text == "")
{
ErrMSG.Text = "Domain is available";
}
}
}