protected void Button1_Click(object sender, EventArgs e)
    {
        //关闭按钮


        //关闭页面--要弹出提示（IE6及以下不弹出提示）
        ClientScript.RegisterStartupScript(Page.GetType(), "", "<script language=javascript>window.opener=null;window.close();</script>");

        //不弹出提示直接关闭页面
        ClientScript.RegisterStartupScript(Page.GetType(), "", "<script language=javascript>window.opener=null;window.open('','_self');window.close();</script>");
    }