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DataRowVersion.Original

...有行区分开来。WHERE 子句的信息是从记录 (DataRowVersion.Original) 的初始版本导出的，以备在识别行所需的值已被更 …

...值来更改数据库中的主键,现在我需要在程序中更改行的原始值(DataRowVersion.Original)有什么办法?

Deleted rows do not have a Current row version , so you must pass DataRowVersion. Original when accessing the column values .

For example , DataRow. HasVersion(DataRowVersion. Original) will return false for newly added rows before AcceptChanges has been called.