Web Dynpro (WD) for ABAP
is the SAP standard UI innovation created by SAP AG. It can be utilized as a
part of the SAP development tools & concept. It gives a front-end web UI to
interface straightforwardly to backend SAP R/3 frameworks to get to information
and capacities for detailing. Web Dynpro for ABAP comprises of a run-time
condition and a graphical advancement condition with particular development
tool that are incorporated in the ABAP Workbench.
Webdynpro for ABAP - An Application
Web Dynpro for ABAP is an
advancement technology that enables you to make web applications inside your
SAP framework. Not at all like BSP's which enable you to utilize any standard
web advancement language, for example, HTML, JavaScript and Ajax nearby your
ABAP code WebDynpro's have their own particular improvement structure.
Inside this all the
stream control and display objects, for example, input fields, tables, picture
situation and so forth are included utilizing the customer methods. Additionally,
all preparing and count code is composed utilizing the SAP's local language ABAP.
In spite of the fact that this strategy confines your flexibility to modify the
look and feel of the screen and its components contrasted with BSP's it does
enables you to make powerful applications quicker, particularly in the event
that you utilize the floor design chief system. It additionally makes a
standard look and feel for any applications created utilizing the web dynpro
stage over your SAP framework as well as overall organizations that utilization
SAP. Web applications can likewise be made by ABAP developer with no compelling
reason to learn other standard web development language, for example, HTMl,
Javascript, CSS and so on.
All you have to know to
create ABAP webdynpro applications is a fundamental comprehension of ABAP and
information of how to explore around the WDP improvement stage, which is gotten
to through the standard SAP advancement workbench exchange SE80. The following
is various well-ordered instructional exercises that will take you from a total
webdynpro amateur to having the capacity to execute further developed
applications that use components, for example, intelligent tables and ALV
reports.
Web-Dynpro Architecture
Following are the
features of SAP Web-Dynpro architecture
1. Web Dynpro is the SAP
NetWeaver programming model for UIs.
2. All Web Dynpro
applications are organized according to the Model View Controller (MVC)
programming model.
3. The model
characterizes an interface to the primary framework and the Web Dynpro
application can have an entrance to framework information.
4. The view is responsible
for demonstrating the information in the web browser.
5. The controller dwells
between the view and the model. The controller organizes the model information
to be shown in the view. It forms the client sections made by the client and
returns them to the model.
Tools to Enhance Web Dynpro
Applications
1. A strong technical
basis that gives engineers the adaptability to make adjustments required by the
upper layers of an application, for example, SAP's ERP business forms.
2. Solid tool support for
application designers and the administrators in charge of supporting those
applications.
This new approach depends
on improvements, where the developers expands an effectively existing
application as opposed to making direct alterations to the first application
code. Web Dynpro is this specialized premise. What's more, the instruments in
the ABAP Workbench offer direct help for this approach while upgrading the
recently conveyed Web Dynpro applications that are at the center of SAP's
improvement bundle procedure for SAP ERP and SAP Business Suite.
Moreover, the switch and
upgrade system is the way to making applications adaptable and extensible. It
enables you to add development to applications with negligible disturbance of
the first application code. You can likewise set up a "change" to
your improvement, enabling you to actuate it as required and, now and again,
return to the first if the upgrade is never again required (given there are no
word reference changes). While this adaptability is most apparent while
including UI highlights like a field or a client sub screen, it reaches out to
all layers of a commonplace application: The Web UI, the business logic, and
the database layer. On each level, the apparatuses of the ABAP Workbench give
worked in help to help SAP engineers outline adaptable applications — and to
later enable designers to broaden and adjust those applications.
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