ASP (C #) does not prompt to close the current page directly

Method One:?

protected void Button1_Click (object sender, EventArgs e)

{

Close Page--pop-up tips

Clientscript.registerstartupscript (Page.gettype (), "",? " <script language= ' JavaScript ' >window.opener=null;window.close ();</script> ");

Close Page--no pop-up prompts

Clientscript.registerstartupscript (Page.gettype (), "",? " <script language= ' javascript ' >window.opener=null;window.open (', ' _self '); Window.close ();</script> ")

}?

Method Two:?

protected void Button1_Click (object sender, EventArgs e)

{  ?

No popup Prompts

Response.Write ("Window.opener=null;window.open ('", ' _self '); Window.close (); ");

}?

protected void Button1_Click (object sender, EventArgs e)

{ ?

Pop-up Tips

Response.Write ("Window.opener=null;window.close ();");

}?

Method Three:?

protected void Page_Load (object sender, EventArgs e)

{

No popup Prompts

BUTTON1.ATTRIBUTES.ADD ("onclick", "Window.opener=null;window.open (', ' _self '); Window.close ()");

}?

protected void Page_Load (object sender, EventArgs e)

{

Pop-up Tips

BUTTON1.ATTRIBUTES.ADD ("onclick", "Window.opener=null;window.close ()");

}

ASP (C #) does not prompt to close the current page directly