Delphi:Delphi编程时使用OnUpdateData事件进行数据编辑等操作，想熟悉OnUpdateData事件用法的朋友们，你可仔细参考一下这个示例。

-Delphi: Delphi programming OnUpdateData event when used for data editing and other operations, to be familiar with OnUpdateData event usage friends, you can refer to this example carefully.