以下是错误信息，那我老师给看看，谢谢！

.NET Framework 版本：2.0.50727.3053
Foxtable 版本：2012.11.29.1
错误所在事件：
详细错误信息：
System.ArgumentException: This constraint cannot be enabled as not all values have corresponding parent values.
   at System.Data.ConstraintCollection.AddForeignKeyConstraint(ForeignKeyConstraint constraint)
   at System.Data.ConstraintCollection.Add(Constraint constraint, Boolean addUniqueWhenAddingForeign)
   at System.Data.DataRelationCollection.DataSetRelationCollection.AddCore(DataRelation relation)
   at System.Data.DataRelationCollection.Add(DataRelation relation)
   at System.Data.DataRelationCollection.Add(String name, DataColumn parentColumn, DataColumn childColumn)
   at Foxtable.Class14.smethod_2(String string_9)