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我使用2个数据集的数据集生成此代码的PDF文件，但是，PDF中的数据仅出现在ds.Tables [0]中，而不是ds.Tables [1]。请建议solution..my代码如下..如何使用C＃中的代码隐藏多个数据源来渲染rdlc主报告？
ReportViewer viewer = new ReportViewer();
viewer.ProcessingMode = ProcessingMode.Local;
viewer.Reset();
viewer.LocalReport.ReportEmbeddedResource = @"D:\Projects\NIKHIL\NIKHIL\Report3.rdlc;
viewer.LocalReport.ReportPath = @"D:\Projects\NIKHIL\NIKHIL\Report3.rdlc;
viewer.LocalReport.DataSources.Clear();
viewer.LocalReport.DataSources.Add(new ReportDataSource("DataSet1", ds.Tables[0]));
viewer.LocalReport.DataSources.Add(new ReportDataSource("DataSet2", ds.Tables[1]));
viewer.LocalReport.Refresh();
byteViewer = viewer.LocalReport.Render(reportType, deviceInfo, out mimeType, out encoding, out extension, out streamIds, out warnings);
byte[] file = byteViewer;
FileStream stream = new FileStream(FileStorageLocation + "\\" + fileName, FileMode.Create, FileAccess.Write);
stream.Write(file, 0, file.Length);
stream.Close();