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请输入您要查询的计算机术语:
术语
CDatabase::CanUpdate
释义
CDatabase::CanUpdate
BOOL CanUpdate() const;
返回值:
CDatabase对象允许更新,则返回非零值,否则为0,表示或者在打开CDatabase对象时传递bReadOnly中的TRUE,或者数据源本身是只读的。如果以SQL_DATASOURCE_READ_ONLY调用ODBC API函数::SQLGetInfo返回“y”,则数据源是只读的。
说明:
调用这个成员函数,可以确定CDatabase对象是否允许更新。并非所有驱动程序都支持更新。
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更新时间:2025/10/19 7:45:20