用水晶报表时出现了“查询引擎出错“的问题,怎样解决?
我用到了子报表,是在主报表中连接已有的报表,程序代吗如下:
SubreportObject oSubreport1 = this.crScheme1.Section2.ReportObjects["Subreport1"] as SubreportObject;
ReportDocument oSub1 = oSubreport1.OpenSubreport("crExpert.rpt");
oSub1.SetDataSource(dsExpert1);
crScheme1.SetDataSource(dsAccidentInfo1);
this.CrystalReportViewer1.ReportSource = crScheme1;
单步跟踪程序没有错误,打开页面后报:查询引擎出错
求高手赐教!