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The Component Pieces


A Web Page provides the starting point for the application and may also be the source of some of the User Interface functionality. For fairly simple requirements, a Web Page may be all that's required. However, applications are far easier to create and maintain if modular coding techniques are employed.

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Reusable Parts are used to build the many components of an application. Each part can contain its own processing and user interface, and can expose methods, events and properties to allow other parts of the application to interact with it. This modular approach allows complex screen interaction to be dissected and turned into modular pieces that greatly simplify both application development and maintenance.

The Mechanics



The compiled Web Page, Reusable Parts and LANSA runtime all execute within the browser, with the runtime providing the necessary features to communicate with the Web Server. The Web Page and Reusable Parts can independently make calls to the Application Server. This interprets the requests and executes SrvRoutines that typically interact with the database to serve up data and images.

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