The Design of Report System Based on 3-Tier Application
Zhang Keming · Microcomputer Information · 2009
A report system based on 3-tier application is designed,in which the presentation layer,domain logic layer and data access layer are used.OPC client,dynamic link library(DLL) and crystal report display were developed,corresponding to the three layers in 3-tier application.With this framework,the report system is flexible and fit for the working with all kinds of industrial control system.