private void DeleteKeyWords(string SId)
 {
     B_DownServer bdownserver = new B_DownServer();
     if (bdownserver.DeleteByID(SId))
     {
         HttpContext.Current.Response.Write("<script language=javascript> alert('删除成功!');window.document.location.href='DownServerManage.aspx';</script>");
     }
 }
 protected void btndelete_Click(object sender, EventArgs e)
 {
     B_DownServer bdownserver = new B_DownServer();
     int i = 0, flag = 0; string sid = "";
     //int f = GridView1.Rows.Count;//测试用OnClientClick="return confirm('确定要删除选中的服务器吗?')"
     for (i = 0; i < GridView1.Rows.Count; i++)
     {
         CheckBox cbox=(CheckBox)GridView1.Rows[i].Cells[0].FindControl("SelectCheckBox");
         bool check = cbox.Checked;
         if (((CheckBox)GridView1.Rows[i].Cells[0].FindControl("SelectCheckBox")).Checked)//check
         {
             sid = GridView1.DataKeys[GridView1.Rows[i].RowIndex].Value.ToString();
             if (bdownserver.DeleteByID(sid))
                 flag++;
         }
     }
     if (flag > 0)
     {
         Response.Write("<script language=javascript> alert('批量删除成功!');window.document.location.href='DownServerManage.aspx';</script>");
     }
 }