sub report with dataset in .NET 2005

[aphei]

i have a problem in load sub report's data, the field become not consecutive i am using this code "ReportFile.Subreports(strSubRepName).SetDataSource(dtDataSubRep)" is there anything wrong with that?? i have try it in usual report ( not sub report ), and that is ok, but if in sub report, it become problem, please help, thanks