Why do we go for Webdynpro ABAP?

[Former Member]

Hi All,

Why do we go for Webdynpro ABAP and How is it beneficial comparing with other technologies in SAP?

Thanks

Gopi.

[Former Member · Accepted solution]

hi ,

u may wish to like to go thru this WIKI

http://wiki.sdn.sap.com/wiki/display/WDABAP/General+Issues#GeneralIssues-1.95

in whch WD ABAP is compared with WD JAVA , BSP , JSP and HTMLB and mobile infrastrucutre .

u may wish to go thru these WD ABAP tutorials :

http://help.sap.com/saphelp_nw2004s/helpdata/en/03/0048413e466e24e10000000a155106/content.htm

Main Topic Page:

http://sdn.sap.com/irj/sdn/nw-wdabap#section2

Tutorials for Beginners:

[original link is broken]

eLearning Videos:

/people/thomas.jung/blog/2006/06/20/web-dynpro-abap-demonstration-videos

go thru this quote by thomas

The designers of WDA didn't want to lock developers into having to create an extra model layer. One of the values of WDA is that it sits closely with the underlying business logic and data. Therefore it can easily reuse existing function modules or classes (or even contain SQL directly - although this isn't recommended). 
There are different options for playing the role of model. You could create a faceless web dynpro component. This is sometimes used in large complex Floorplan Manager applications. However the cross-component context binding can represent a performance problem.
More often a class is used as a simple model. These are called feeder classes in POWL. But really any ABAP class can be used to separate out the logic for the model. Data from this class can be accessed and then bound to the local context. Sometimes people use the Assistance Class as a model. It is possible to share a single instance of an assistance class between a hierarchy of components - making it an efficient way to share data. 
Of course there are the service call wizards. These aren't really models like in WDJ. Instead they are just shortcuts to generate context structures and code generators. However everything they generate can also be created by hand or altered after generation.

rgds,

amit

[Former Member]

Thanks for your valuable replies. Now can you please explain me, how business wise webdynpro abap is used?

Thanks,

Gopi.

[Former Member]

hi ,

reference SAP online help :

Web Dynpro has its own runtime and design time environment and is based on the SAPu2019s Application Server ABAP (Usage Type AS-ABAP). Central characteristics of this technologyu2019s functions are declarative programming and the high level of reusability when using this interface technology, which speed up the design and implementation process of whole applications. The underlying powerful and flexible Model View Controller architecture allows the software layers to be clearly separated, which is reflected in the logical program objects as well as in how the Web Dynpro tools are used. Web Dynpro applications can be integrated seamlessly in the software life cycle and proven development and distribution infrastructure, the ABAP Workbench.

regards,

amit

[Former Member]

Hi Amit,

Thanks for u r response. I am clear on the above explanations.

What i am expecting is, If we are going to implement sap WDA in a manufacturing company, how WDA will be beneficial for tht company?

Regards,

Gopi.

Edited by: Yegalaivan on Nov 12, 2009 5:01 AM

[Former Member]

Hi Gopi,

To make the answer in layman terms, I would say whether being a manufacturer company or any of that kind, any business uses Manpower(employees) which needs many HR related operations (say, leave and attendance, transfer or deputation filing forms, or maternity application forms for ladies and many such which are included in the HCM operations).

Hence, the major level of activity related to HR perspective can be made easier using WDA Tool. Hope this answers ur qn..

Regards

Krithika

[Former Member]

hi Yegalaivan ,

u may also wish to go thru this thread :

and couple of similar threads in WD ABAP forum .

regrds,

amit