private void reporte_Kardex()
        {
            var Kardex = new CR_orden_kardex();
            Kardex.DataDefinition.FormulaFields["empresaname"].Text = "'EMPRESA: " + VariablesPublicas.EmpresaName.Trim() + "'";
            Kardex.DataDefinition.FormulaFields["empresaruc"].Text = "'RUC: " + VariablesPublicas.EmpresaRuc.Trim() + "'";

            Kardex.SetDataSource(Reporte_Kardex());
            crystalReportViewer1.ReportSource = Kardex;
            crystalReportViewer1.Show();
        }
 public virtual CrystalDecisions.CrystalReports.Engine.ReportDocument CreateReport()
 {
     CR_orden_kardex rpt = new CR_orden_kardex();
     rpt.Site = this.Site;
     return rpt;
 }