Introduction
Web Dynpro is a standard SAP UI innovation that empowers you to develop web applications utilizing graphical devices and advancement environment united with ABAP workbench. Using graphical devices diminishes the usage exertion and you can legitimately reuse and keep segments in ABAP workbench.
Key Benefits of Using Web Dynpro
Following are the key advantages of utilizing Web Dynpro for developers in ABAP environment:
• Easy structure changes.
• Less usage time with the utilization of graphical tools.
• Ease of integration in ABAP environment.
• You can efficiently change the layout and navigation utilizing graphical tools.
• With the utilization of data binding, you can utilize automatic data transport.
• You can efficiently maintain and reuse the segments for development.
Web Dynpro ABAP is the same as Web Dynpro Java and supports the similar set of functions for the application improvement.
SAP Web Dynpro – Architecture
Web Dynpro is an ABAP situation for web improvement and depends on the Model View Controller (MVC) concept of UI programming. It is accessible for both Java and ABAP according to the platform and supports comparable functions.
Web Dynpro Features:
• Separation of display and business logic
• Easy change in the layout with the utilization of graphical tools
• No platform dependency of interfaces
Following are the key concepts as a major aspect of Web Dynpro architecture:
Metadata
Web Dynpro provides you with an environment for the advancement of web-based applications and you can utilize graphical tools to characterize web Dynpro application as metadata in application development. You can likewise characterize your own events; be that as it may, event handling should be defined in a different code and that must be executed when an event is activated.
The UI in Web Dynpro application comprises of small components characterized by utilizing Web Dynpro tools. You can likewise change or improve the UI by changing these components at run-time or integrate the components once more.
Graphical Tools
There is a wide range of graphical Web Dynpro tools that you can use to create web-based applications. You don't have to make the source code for this. The key features of graphical tools in Web Dynpro application:
• Data flow
• User interface layout
• Define properties of UI components
Business and Application Logic
Web Dynpro enables you to run your application toward the front and the back-end system can be gotten to utilizing service locally or via remote connection. Your UI is kept up in a Dynpro application and persistent logic runs in the back-end framework.
You can connect Web Dynpro application to the back-end system utilizing an adaptive RFC benefit or by calling a web service.
MVC Programming Model
Web Dynpro applications depend on MVC model −
Model: this enables the access to back-end data in a Web Dynpro application.
View: this is utilized to guarantee the representation of data in a web program.
Controller: This is utilized to control communication between Model and View where it takes input from the clients and gets the procedures data from the model and displays the data in the browser.
SAP WebDynpro JAVA Demo Video:
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