private void DailyReport_Load(object sender, EventArgs e)
        {
            SaleController controller = new SaleController();

            this.rpvDaily.LocalReport.DataSources.Clear();

            ReportDataSource rds = new ReportDataSource();

            rds.Name  = "SaleDataSet_SaleDataTable";
            rds.Value = controller.DailyReport(date);
            this.rpvDaily.LocalReport.DataSources.Add(rds);

            ReportParameter[] param = new ReportParameter[1];
            param[0] = new ReportParameter("Date", this.date);

            this.rpvDaily.LocalReport.SetParameters(param);
            this.rpvDaily.ZoomMode = ZoomMode.Percent;

            this.rpvDaily.RefreshReport();
        }