StackOverflow2013

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7337386
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2011-09-07T16:32:12.890
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2012-04-23T07:27:13.293
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2012-04-23T07:27:13.293
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1336332
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WebDynpro is a client-independent programming model used for developing sophisticated user interfaces for web based business applications.Dynpro means Dynamic Program. The naming conventions to be followed while developing Web Dynpro applications is : Web Dynpro context names should use only the characters A..Z, a..z, 0..9, _ . Digits can be used only from 2nd position. The JAVA naming conventions can be followed but avoid using unicode characters to keep the names simple. However one should avoid using the prefixes wd, WD or IWD since these are the prefixes used during generation of internal coding entities. Basic Concept : 1. View – is the central logical layout element in the Web Dynpro application.It is responsible for the presentation logic and for the browser layout. Description of a visible screen area Contains and lays out controls (aka widgets) Defines actions (i.e. relevant input on controls by the user), which trigger event handling 2. Controller – active part of web dynpro application,handles the data flow between the model and the view in both directions Performs event handling Each component has a component controller Each view has a view controller Custom controllers may be added for further structuring 3. Model – is the interface to the back end systm and is responsible for providing data to the entire application. Represents the data in the backend 4. Component Reusable UI program package Mostly contains views, often uses models Communicates with other components via component interfaces 5. Application Something runnable (from client application, i.e. web browser) Identified by URL Running an application means starting a component, navigating” to an initial view in an initial window. 6. Windows Single UI unit representing a component’s user Interface/View Composition needed for embedding purposes. 7. Context A controller contains a context which holds the data. The data flow between the contexts is referred to as context mapping..
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1. USDhivya
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