动态报表多表数据绑定

     ReportDataSource datasource = new ReportDataSource("DataDataSet_Projects", this.db.GetTable("select * from Projects"));
            ReportDataSource datasource1 = new ReportDataSource("DataDataSet_ProParts", this.db.GetTable("select * from ProParts"));
            reportViewer1.LocalReport.ReportPath = "";
            reportViewer1.LocalReport.DataSources.Clear();
            reportViewer1.LocalReport.DataSources.Add(datasource);
            reportViewer1.LocalReport.DataSources.Add(datasource1);
            reportViewer1.LocalReport.SetParameters(new ReportParameter[] { new ReportParameter("Report_Parameter_0", "2222") });
            //reportViewer1.LocalReport.Refresh();
            this.reportViewer1.RefreshReport();