EcAttendanceMatterBLL.OpenTransaction();DbTransaction Tran = EcAttendanceMatterBLL.Transaction;_wfibll.Transaction = Tran;try{     EcAttendanceMatterBLL.Insert(_EcAttendanceMatterInfo, "");     _wfibll.Insert(_wfi, "");     Tran.Commit();}catch(Exception ex){     Tran.Rollback();}