public virtual CrystalDecisions.CrystalReports.Engine.ReportDocument CreateReport()
        {
            ReporteFacturas rpt = new ReporteFacturas();

            rpt.Site = this.Site;
            return(rpt);
        }
        public FrmReporteFacturas()
        {
            InitializeComponent();

            var _facturaBL    = new FacturaBL();
            var bindingSource = new BindingSource();

            bindingSource.DataSource = _facturaBL.ObtenerFacturas();

            var reporte = new ReporteFacturas();

            reporte.SetDataSource(bindingSource);

            crystalReportViewer1.ReportSource = reporte;
            crystalReportViewer1.RefreshReport();
        }