Hi,
Answers to queires:
why do we need webdynpro abap(WDA)??
a)
what is the importance of webdynpro abap?
a) WDA is UI technology while ABAP is broader concept which covers even Web Dynpro ABAP. ABAP has number of concepts including UI technology like Smart Forms, Work Flow, reports, Enhancements, etc..
b) ABAP is written to cater to business process handling; while WDA is UI developpment
why people implement webdynpro abap over normal sap abap??
a) SAP ABAP has many constraints which are overcome in WDA. WDA is light weight than ABAP applications, can be accessed easily over internet. No need of SAP Logon pad installation at the client side. Can be optimised to run over over low band width.
why webdynpro abap is so demented?
a) SAP is aggressively moving towards/already has moved to Web Dynpro ABAP. All business packages are being delivered in Web Dynpro ABAP. SAP is in process of making WDA compatible with mobile platform. It means, develop once and run on any platform.
why we will go for webdynpro abap?
a) WDA is currently only alternative to develop future proof UI. SAPUI5 is still in evolving phase and need sometime to become mature UI techonoly,
Regards,
Ganga