void DetailDataBind()
 {
     dsDetail                = billDetail.QueryByBillNo(this.lblBillNo.Text, pageIndex2, pageSize2);
     pager2.RecordCount      = billDetail.GetRowCount("BILLNO='" + this.lblBillNo.Text + "'");
     pager2.CurrentPageIndex = pageIndex2;
     if (dsDetail.Tables[0].Rows.Count == 0)
     {
         this.hdnDetailRowIndex.Value = "0";
         this.lblMsg.Visible          = true;
     }
     else
     {
         this.lblMsg.Visible = false;
     }
     this.dgDetail.DataSource = dsDetail.Tables[0];
     this.dgDetail.DataBind();
 }
    protected void LoadDetail()
    {
        string BillNo = this.txtBillNo.Text;

        dsDetail                 = billDetail.QueryByBillNo(BillNo, pageIndex, pageSize);
        totalCount               = billDetail.GetRowCount("BILLNO='" + this.txtBillNo.Text + "'");
        pager.RecordCount        = totalCount;
        this.dgDetail.DataSource = dsDetail.Tables[0];
        this.dgDetail.DataBind();
        if (dsDetail.Tables[0].Rows.Count == 0)
        {
            this.lblMsg.Visible = true;
        }
        else
        {
            this.lblMsg.Visible = false;
        }
        CountTotal();
    }