a method for upgrading rich client to smart client was provided.Update application block architecture of smart client on the.NET platform was studied.Through adding a smart layer between the two-tier structures of the rich client system
an application model of the three-tier structure was achieved.It was focused on solving the deployment of COM object on.NET platform.Comparing with other upgrading methods
the method retains the core functions of the original system and reduces development cost while implementing smart application.Based on this
a comprehensive information and performance appraisal system has been developed.