public virtual CrystalDecisions.CrystalReports.Engine.ReportDocument CreateReport()
 {
     CR_productokardex rpt = new CR_productokardex();
     rpt.Site = this.Site;
     return rpt;
 }
        private void active_productokardex_tela()
        {
            try
            {
                var path = string.Empty;
                var directorios = Application.StartupPath.Split('\\');
                if (directorios.Length > 0)
                {
                    path = directorios[0] + "\\" + directorios[1];
                }
                var reporteRollokardex = new CR_productokardex();
                reporteRollokardex.DataDefinition.FormulaFields["empresaname"].Text = "'EMPRESA: " + VariablesPublicas.EmpresaName.Trim() + "'";
                reporteRollokardex.DataDefinition.FormulaFields["empresaruc"].Text = "'RUC: " + VariablesPublicas.EmpresaRuc.Trim() + "'";

                reporteRollokardex.DataDefinition.FormulaFields["fechdoc"].Text = "'DE: " + fechdocini.Trim().Substring(0, 10) + "  AL:" + fechdocfin.Trim().Substring(0, 10) + "'";

                if (moduloid.Trim() == "0810")
                {
                    reporteRollokardex.DataDefinition.FormulaFields["name"].Text = "'TIENDA : " + VariablesPublicas.Local + "  - " + VariablesPublicas.nombrelocal + "'";
                }
                else
                {
                    reporteRollokardex.DataDefinition.FormulaFields["name"].Text = "'LOCAL : " + VariablesPublicas.Local + "  - " + VariablesPublicas.nombrelocal + "'";
                }

                if (moduloid.Trim() == "0320")
                {
                    reporteRollokardex.DataDefinition.FormulaFields["varitems"].Text = "'ROLLO'";
                }
                else
                {
                    reporteRollokardex.DataDefinition.FormulaFields["varitems"].Text = "''";
                }
                reporteRollokardex.SetDataSource(Movimiento_productokardex_tela());
                crystalReportViewer1.ReportSource = reporteRollokardex;
                crystalReportViewer1.Show();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }