This behavior occurs by design.
此行为是设计使然。
This behavior occurs in cases where the initial internal reflection logic has not already set the information.
在初始内部反射逻辑还未设置信息的用例中,会发生这种行为。
"This behavior occurs because the primary key or the" not NULL "column of the database table was not selected in the data Form Wizard."
此行为的发生是由于在“数据窗体向导”中未选择数据库表的主键或“非null”列。
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