private void BindGrid()
    {
        int       month        = int.Parse(ddl_Month.SelectedValue);
        int       organizecity = int.Parse(tr_OrganizeCity.SelectValue);
        DataTable dt           = PM_PromotorBLL.GetAnalysisOverview(organizecity, month);

        if (dt.Columns.Count > 0)
        {
            dt.Columns.Remove("Promotor");
            dt.Columns.Remove("ClientID");
            dt.Columns.Remove("BPMID");
            dt.Columns.Remove("BRTID");
            dt.Columns.Remove("取消人");
            dt.Columns.Remove("取消人职务");
            dt.Columns.Remove("取消时间");
        }
        // ViewState["dtSummary"] = dt;
        gv_List.DataSource = dt;
        gv_List.DataBind();
        if (dt.Columns.Count >= 24)
        {
            gv_List.Width = new Unit(dt.Columns.Count * 65);
        }
        else
        {
            gv_List.Width = new Unit(100, UnitType.Percentage);
        }
    }
    protected void bt_Export_Click(object sender, EventArgs e)
    {
        string    filename     = HttpUtility.UrlEncode(Encoding.UTF8.GetBytes("导购投产明细导出_" + DateTime.Now.ToString("yyyyMMddHHmmss")));
        int       month        = int.Parse(ddl_Month.SelectedValue);
        int       organizecity = int.Parse(tr_OrganizeCity.SelectValue);
        DataTable dt           = PM_PromotorBLL.GetAnalysisOverview(organizecity, month);

        if (dt.Rows.Count > 0)
        {
            dt.Columns.Remove("Promotor");
            dt.Columns.Remove("ClientID");
            dt.Columns.Remove("BPMID");
            dt.Columns.Remove("BRTID");
            dt.Columns.Remove("取消人");
            dt.Columns.Remove("取消人职务");
            dt.Columns.Remove("取消时间");
            CreateExcel(dt, filename);
        }
    }