使用报表查看器进行多次打印

Question

嗨，我在c＃中使用报表查看器进行打印，同一rdlc用于具有不同参数的两个打印，当使用 StampaMarcaTempo 打印为true时，出现以下错误，它是什么？以及如何解决？

错误行： ReportDataSource rds = new ReportDataSource（“ DataSet1”，d.Tables [0]）;

C＃代码：

public void StampaRisorseCantiere(Utente ustampa, string StartData, string EndData, string Ore, Boolean StampaTutteLeRisorse, Boolean StampaMarcaTempo)
        {
            try
            {
                DataStampaRisorse d = new DataStampaRisorse();
                d = RisorseUmaneModel.DataStampaRisorseUmane(ustampa.IdUtente, StartData, EndData, StampaTutteLeRisorse);
                if (StampaMarcaTempo)
                {
                    MarcaTempo mt = new MarcaTempo(ustampa);
                    DataTable dt = mt.CaricaDataeTotaleOre(StartData, EndData);
                    Console.WriteLine("Numero di colonne: " + dt.Columns.Count);
                    dt.Columns["Data"].ColumnName = "DataINS";
                    //d.Clear();
                    d = dt.DataSet as DataStampaRisorse;
                }

                ReportDataSource rds = new ReportDataSource("DataSet1", d.Tables[0]);
                //this.r.LocalReport.EnableExternalImages = true;
                this.r.LocalReport.DataSources.Clear();
                this.r.LocalReport.DataSources.Add(rds);
                ReportParameterCollection reportParameters = new ReportParameterCollection
                {
                    new ReportParameter("NomeRisorsa", "Risorsa  " + ustampa.GetNome() ?? "")
                };
                ReportParameterCollection reportParameters2 = new ReportParameterCollection
                {
                    new ReportParameter("Ore", " " + Ore ?? "")
                };
                this.r.LocalReport.SetParameters(new ReportParameter("Stampatuttelerisorse", "" + StampaTutteLeRisorse));
                this.r.LocalReport.SetParameters(new ReportParameter("StampaMarcaTempo", "" + StampaMarcaTempo));
                this.r.LocalReport.SetParameters(reportParameters);
                this.r.LocalReport.SetParameters(reportParameters2);
                this.r.LocalReport.Refresh();
                this.r.RefreshReport();
                this.r.SetDisplayMode(DisplayMode.PrintLayout);
            }
            catch (Exception ex)
            {
                Managementerror.SendError("Errore Stampa Risorse Cantiere: " + ex);
            }
        }