| This paper introduces different developing stages of Information System and components' concepts?characters and classification, developing methods based on components and so on. It mainly describes Sybase' s enterprise web application solution-EAServer, which includes EAServer' s systematic architecture and work flow procedure, the character and application of component transaction server Jaguar CTS and web application server PowerDynamo. It illustrates detailed how to use PowerBuilder 8.0 develop EAServer components, and how to deploy them to EAServer server, PowerDynamo responds the requirements from clients through calling methods of components. As an instance of General Online Exam System, It systematic introduces the whole procedure of making use of PowerBuilder and EAServer to develop the web database application system based on components. |
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