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[SAP ABAP] Building User Interfaces

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In  Systems, Applications, Products  ( SAP ), we have various technologies for presenting user interfaces. We can use classic DynPro, which we will focus on in this chapter. This is based on the SAP GUI and is almost completely integrated with ABAP and web-based technologies such as SAPUI5. Classic DynPro is divided into two categories:  Classic DynPro  Selection screens Despite the fact that these two categories use the same technology, the methods for programming them are different. Classic DynPro (named  screen ) needs to be created in Screen Painter in the ABAP Workbench, as well as being called in  CALL SCREEN  statement. The selection screen can be  defined  purely in ABAP and it is a specific classic DynPro. Classic DynPro As some may not know the basics of classics DynPro, I will start with a short introduction explaining how we can call screens or types of screens. If you have  some  knowledge of sc...
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[SAP ABAP] Databases Part 1

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INTO : When we choose this, we can select fields to structure. An example can be found in the explanation of  SELECT SINGLE . INTO CORRESPONDING FIELDS OF : We can  also  use this addition, but, during  SELECT , the system tries to select and match fields corresponding to data elements in a result. The  differences  in the results will be shown in the example. INTO [ obj1, obj2 ... ] : We can select fields in relation to a given variable. For example, if we want to select the  carrid  and  connid  fields, we can select these fields directly in relation to a variable instead of a structure or table. INTO TABLE : This is the same as  INTO , but we can use a table rather than structure and we can also select more than one row. INTO CORRESPONDING FIELDS OF TABLE : This is the same as  INTO CORRESPONDING FIELDS OF , but we can select more than one row here, and we need to use the table as an internal variable where we can ...
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[SAP ABAP] ALV Part 2

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Zebra To create zebra coloring where the background of one  row  is white and the next is gray and so on, we just need to add one more structure to the ALV called a layout structure. At the beginning of creating a zebra pattern, we need to declare a variable of  lvc_s_layo type, as follows: Copy DATA: ls_layout TYPE lvc_s_layo. Of course, a layout structure has many more fields, for instance, a field named  edit . If we add  abap_true  to this, then we can change data in rows. After this, we just need to fill in one field of this structure: Copy ls_layout-zebra = abap_true. Add this structure to  set_table_to_first_display  as an export parameter: Copy CALL METHOD lr_alv->st_table_for_first_display EXPORTING is_layout = ls_layout CHANGING it_outtab = lt_spfli it_fieldcatalog = lt_fcat. Coloring To color an entire column, we can use the  Emphasize  op...
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