开始窗口最大化

 /// <summary>
    /// 用户登陆成功后，页面的重定向设置
    /// </summary>
    private void LoginUrl()
    {
        Response.Write("<script language='javascript' type='text/javascript'>");
        //Response.Write("<script language='javascript'>var dd='ddddd';  alert('请输入您的用户名称！:'+dd);</script>");
        //ClientScript.RegisterStartupScript(this.GetType(), "", "<script language='javascript'>var dd='ddddd';  alert('请输入您的用户名称！:'+dd);</script>");
        string tt = " var qminoa = window.open('" + Request.ApplicationPath + "/index.htm" + "'"
    + ",'','toolbar=no,menubar=no,titlebar=yes,directories=no,resizable=yes,status=yes,fullscreen=no,top=0;left=0,width=900,height=700');";

        Response.Write(tt);
        Response.Write("qminoa.moveTo(0,0);");
        Response.Write("qminoa.resizeTo(screen.availWidth,screen.availHeight);");

        Response.Write("window.opener=null;");
        Response.Write("window.open('','_self');");
        Response.Write("window.close();");
        Response.Write("</script>");
    }