Designing SAP Transactions SAP Dynpros

SAP Dynpro

A sap dynpro is nothing but a SAP screen that provides a forum for the user to interact with the SAP database. The dynpro forms the heart of any transaction, and in order to design one for a particular process, the process needs to be broken down into a sequence of dynpros.

The main components of a typical SAP custom transaction dynpro are

Screen Attributes

These describe the screen in detail. Common screen attributes are

Screen Attributes	Purpose
Program	Module pool program name associated with the screen
Screen number	4 digit unique number within a module pool program
Short Description	Purpose of the screen – one liner
Original Language	Maintenance language of the screen derived automatically from module pool maintenance language
Package	SAP release version that the screen belongs to
Last changed or Last generated	Date/time when screen was last changed/generated
Screen Type
Normal	Default setting – identifies the screen as normal screen
Modal Dialog Box	Special setting to display list in a dialog box
Subscreen	Identifies the screen as a subscreen
Selection screen	Identifies an auto-generated screen for accepting values from the user as criteria for database selections while running a report
Settings
Hold Data	Setting which remembers the data entered on the screen and displays it again automatically if the user calls it again
Switch off Run time Compression	Option that prevents the screen from getting compressed at run time. Advisable not to use this option
Hold Scroll Position	Option to specify whether the vertical/horizontal scroll position should be remembered. Generally used for large screens
Without application toolbar	Option that does not display the application toolbar that belongs to the current program. This option cannot be changed during run time
Other Attributes
Next Screen	Number of the next screen to be displayed. Can be changed dynamically through code
Cursor Position	Screen element that the cursor is placed on when the screen is displayed
Screen Group	4 character identifier for a group of related screens
Lines/Columns used	Size of the screen area currently used
Lines/Columns Maintained	Size of the screen starting from upper left corner. Maximum size is 200 rows X 255 column