Implementation of Multi-condition Combination Query Based on PowerBuilder Datawindow
- VernacularTitle:基于PowerBuilder数据窗口的组合条件查询实现
- Author:
Xiangyang WU
;
Chaoqun ZHANG
;
Jianjin HANG
;
Qinghua WANG
- Publication Type:Journal Article
- Keywords:
PowerBuilder;
database;
query
- From:
Chinese Medical Equipment Journal
2003;0(12):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To perform multi -condition combination query in the browse window based on PowerBuilder datawindow technology. Methods After the interested combination of query conditions specified on certain columns in datawindow was constructed by if...then statement, the setfilter () and filter () function was used to retrieve and display data which met the filter criteria. Results A flexible query object was incorporated into the data browsing window. Conclusion The datawindow-based query is suitable for situations where batch of data are filtered against not so many columns.
