private void Impresion_Load(object sender, EventArgs e) { DataTable dt = new DataTable(); ConexionGeneral CG = new ConexionGeneral(); dt = CG.ImprimirFactura(facturaID); reportViewer1.LocalReport.DataSources.Clear(); ReportDataSource rp = new ReportDataSource("DataSet1", dt); reportViewer1.LocalReport.DataSources.Add(rp); this.reportViewer1.RefreshReport(); }