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>");  

     }