Close window on button click in ASP.NET

 hi eveybody,
last i c on feed burner that on button clik they are closing the window(browser tab) that i opened.with the help of my friend i got that here it comes
On button click

  Response.Write("")

On the Page Load event

cancelButton.Attributes.Add("onclick", "window.close();")

 Have a nice day... 'N happy Coding :)