public void delete()
    {
        //删除信息
        //要删除的纪录的ID,保存在delList隐藏控件内
        string id = delList.Text;
        if (!string.IsNullOrEmpty(id))
        {
            data_conn cn = new data_conn();
            string sql = null;
            sql = "";
            sql = sql + "delete from tb_yunjia where ID in (" + id + ")";
            cn.mdb_exe(sql);
            sql = "UPDATE TB_PRICECOUNT SET TB_PRICECOUNT.lclcount = (SELECT COUNT(tb_yunjia.id) AS yunjiacount FROM tb_yunjia,tb_yunjiainfo WHERE (yunjialeixing = 9) AND tb_yunjia.id = tb_yunjiainfo.yunjiaid),TB_PRICECOUNT.countdate = getdate() where TB_PRICECOUNT.cid = 1";
            cn.mdb_exe(sql);
            MessageBox("opsuccess", "删除成功");

            //清空delList
            delList.Text = "";

            //同步topnew
            topnew tp = new topnew();
            tp.CheckTopNew("9", this.Request.Cookies["user_id"].Value.ToString());
        }
        else
        {
            //没有选择任何要删除的ID,弹出此对话框
            MessageBox("opfail", "未选择任何要删除的项目");
        }
    }
    public void update()
    {
        //更新信息
        //要更新的纪录的ID,保存在delList隐藏控件内
        string id = delList.Text;
        if (!string.IsNullOrEmpty(id))
        {
            data_conn cn = new data_conn();

            string enddate = "";
            DateTime dt = DateTime.Now;
            DateTime startMonth = dt.AddDays(1 - dt.Day);
            DateTime endMonth = startMonth.AddMonths(1).AddDays(-1);

            if (DateTime.Now.Day >= 15)
            {
                enddate = endMonth.ToString().Split(' ')[0];
            }
            else
            {
                enddate = DateTime.Now.Year.ToString() + "-" + DateTime.Now.Month.ToString() + "-" + "15";
            }

            string sql = null;
            sql = "";
            sql = sql + "update tb_yunjia set PostDate=getdate(),enddate='" + enddate + "' where ID in (" + id + ")";
            cn.mdb_exe(sql);
            sql = "";
            sql = sql + "update TB_YunJiaInfo set PostDatex=getdate(),enddatex='" + enddate + "' where ID in (" + id + ")";
            cn.mdb_exe(sql);
            sql = "UPDATE TB_PRICECOUNT SET TB_PRICECOUNT.fclcount = (SELECT COUNT(tb_yunjia.id) AS yunjiacount FROM tb_yunjia,tb_yunjiainfo WHERE (yunjialeixing = 9) AND tb_yunjia.id = tb_yunjiainfo.yunjiaid),TB_PRICECOUNT.countdate = getdate() where TB_PRICECOUNT.cid = 1";
            cn.mdb_exe(sql);
            MessageBox("opsuccess", "更新成功");

            //清空delList
            delList.Text = "";

            //同步topnew
            topnew tp = new topnew();
            tp.CheckTopNew("9", this.Request.Cookies["user_id"].Value.ToString());
        }
        else
        {
            //没有选择任何要删除的ID,弹出此对话框
            MessageBox("opfail", "未选择任何要更新的项目");
        }
    }