提示:
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)
按住Ctrl也是一样的,写的程序再也进不去了 废了 有什么办法修复?