Redirect URL using 301 redirection for affiliate Marketing

Redirect URL using 301 redirection for affiliate Marketing

Method 1.

 protected void Page_Load(object sender, EventArgs e)
    {
 Response.Status = "301 Moved Permanently";
 Response.AddHeader("Location", NEW_URL);

    }

Method 2.
protected void Application_BeginRequest(Object sender, EventArgs e)
  {
   string sOldPath = HttpContext.Current.Request.Path.ToLower();
   

   string sPage = "http://www.aspcode.net/articles/" + sOldPath;
   Response.Clear();
   Response.Status = "301 Moved Permanently";
   Response.AddHeader("Location",sPage);
   Response.End();
  }

Method 3.

protected override void OnInit(EventArgs e)
{
    int i = Request.Url.ToString().IndexOf("www.");
    if (i < 8 && i != -1)
    {
        Response.Clear();
        Response.Status = "301 Moved Permanently";
        Response.AddHeader("Location", Request.Url.ToString().Remove(i, 4));
        Response.End();
    }
    base.OnInit (e);
}