ABAP is a powerful language for building sophisticated applications. But as any developer is understands, even the most carefully written and tested objects can wind up terminating with a runtime errors, producing unexpected messages, returning incorrect results, or causing application performance problems. As a result, SAP provides a comprehensive set of specialized tools for performing static code checks, coverage analysis, post-mortem analysis, runtime traces, and debugging as part of the standard delivery of SAP Web Application Server (Web AS).
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ABAP is a powerful language for building sophisticated applications. But as any developer is understands, even the most carefully written and tested objects can wind up terminating with a runtime errors, producing unexpected messages, returning incorrect results, or causing application performance problems. As a result, SAP provides a comprehensive set of specialized tools for performing static code checks, coverage analysis, post-mortem analysis, runtime traces, and debugging as part of the standard delivery of SAP Web Application Server (Web AS).
ABAP is a powerful language for building sophisticated applications. But as any developer is understands, even the most carefully written and tested objects can wind up terminating with a runtime errors, producing unexpected messages, returning incorrect results, or causing application performance problems. As a result, SAP provides a comprehensive set of specialized tools for performing static code checks, coverage analysis, post-mortem analysis, runtime traces, and debugging as part of the standard delivery of SAP Web Application Server (Web AS).
Many people think of MVC design pattern as a means for separating data presentation from data processing, and this is certainly true. However, the separation of data presentation from data processing is only one use case of a much more fundamental concept — namely, the separation of those parts of the program that generate data from those parts that consume data — and it is this fundamental principle that you see time and again within the Web Dynpro architecture.
One of the best things about building Web Dynpro applications is that their architecture is defined declaratively, rather than programmatically. This means that you use graphical tools to build units of the application — for example, screen layout, the navigation paths from one screen to another, and the data structures used to hold the business data — and then the Web Dynpro development environment ties them together to create the final application.
he key to configuring the ALV Grid Control for your particular application is the structures that are passed by the application to an ALV Grid instance before or during list display. For some simple extensions of your ALV Grid instance, you only need to set the right parameter and pass the table or structure by using method set_table_for_first_display.
The ALV Grid Control solves this problem. Its user interface provides a set of generic functions (e.g., sorting, filtering) for handling tabular data. It also confers the many benefits of controls technology to users, enabling more operations by mouse, and interaction with other controls, such as drag-and-drop. Developers simply plug the ALV Grid Control into their applications and the tool takes care of the rest. You do not need to do any further programming to offer users these functions. How you “plug” the control into an application is the first thing I will show you in this month’s blog. So lets get started!
I will continue to take a look at the SAP Controls Technology and how we can use it in our development. I will focus on Events and their respective handling techniques along with errors.
The Controls Technology Framework resides on the application server (the back-end), and the Automation Controller sits on the presentation server (the front-end). The integral component that optimizes the communication between the two is the Automation Queue.
No matter if you create an enhancement point or a BAdI as an enhancement option provider, or if you implement an existing enhancement option (be it implicit or explicit), what you create must fit into the structure of the Enhancement Framework in a way that enables you to collect and organize the enhancement options and their counterparts on the implementation side.