贴点代码

1  //报表 
2                  ClearCardReport clearCardReport = new ClearCardReport();
3 //把数据源给report
4 clearCardReport.DataSource=List<T>;//List<T> 为数据源
5 
6 //显示
7                 ReportViewer1.Report =clearCardReport;
8                 ReportViewer1.RefreshReport();