PowerBuilder中父子窗口数据一致性编程

Making Window Data of Father and Son Reach Consistency in PowerBuilder

数据窗口是PowerBuilder的专利技术,在访问数据库和数据处理方面具有很强的功能,子数据窗口是一个与父数据窗口相连的数据窗口对象。本文以一个实例来说明如何在父窗口中连接子窗口,并且当父窗口数据改变时,子窗口数据亦随之改变,使父子窗口数据达到一致性。

Data window is patented technology of PowerBuilder,which has a very strong function in visiting data base and data processing.Sub data window is one data window target that links with father data window.This text proves with an instance how to join sub window among father window,and when the father window data change,the sub window data change thereupon,the window data of father and son reach consistency.