public void LlenaReport()
 {
     ScriptManager.RegisterStartupScript(this.Page, this.Page.GetType(), "Popup", $"ShowReporte('');", true);
     ArticuloReportViewer.ProcessingMode = ProcessingMode.Local;
     ArticuloReportViewer.Reset();
     ArticuloReportViewer.LocalReport.ReportPath = Server.MapPath(@"\Reportes\ReportesArticulo.rdlc");
     ArticuloReportViewer.LocalReport.DataSources.Clear();
     ArticuloReportViewer.LocalReport.DataSources.Add(new ReportDataSource("Articulo", Metodo.INVarticulo()));
     ArticuloReportViewer.LocalReport.Refresh();
 }
        public void LLenaReportes()
        {
            Expression <Func <Articulos, bool> > filtrar = m => true;

            ArticuloReportViewer.ProcessingMode = ProcessingMode.Local;
            ArticuloReportViewer.Reset();
            ArticuloReportViewer.LocalReport.ReportPath = Server.MapPath(@"~\Reportes\ListadoArticulo.rdlc");
            ArticuloReportViewer.LocalReport.DataSources.Clear();
            ArticuloReportViewer.LocalReport.DataSources.Add(new ReportDataSource("ArticuloR", ListArti(filtrar)));
            ArticuloReportViewer.LocalReport.Refresh();
        }