sqlce用RDA同步数据有关问题

sqlce用RDA同步数据问题rda.Pull( WorkTime ,SELECT*FROMWorkTime ,rdaOleDbConnectString,RdaTrackOp

sqlce用RDA同步数据问题
rda.Pull( "WorkTime ",   "SELECT   *   FROM   WorkTime ",   rdaOleDbConnectString,   RdaTrackOption.TrackingOnWithIndexes,   "ErrorTable ");这时候显示worktime被跟踪。  
但是在   rda.Push( "Worktime ",   rdaOleDbConnectString,   RdaBatchOption.BatchingOn);中表”worktime“却显示不是跟踪的表。请问怎么回事?

[解决办法]
RDA, pull or push的表,必须有主键!