void btnExportExcel_Click(object sender, EventArgs e)
        {
            rptfrmDriverIncomeStatement frm = new rptfrmDriverIncomeStatement();

            frm.LoadReport();
            frm.ExportReportToExcel("excel");
        }
        void btnPrint_Click(object sender, EventArgs e)
        {
            rptfrmDriverIncomeStatement frm = new rptfrmDriverIncomeStatement();
            DockWindow doc = UI.MainMenuForm.MainMenuFrm.GetDockByName("rptfrmDriverIncomeStatement1");

            if (doc != null)
            {
                doc.Close();
            }
            MainMenuForm.MainMenuFrm.ShowForm(frm);
        }