Changing Content and Structures

Use

You are able to change the internal data table in various ways. Depending on which type of change you use, you have to proceed differently to make the change visible on the front end in the ALV output as well.

You are able to make the following changes:

  • Change content or order of single data record Afterwards you have to refresh the ALV task.

  • Replace the entire data table

Refresh Display of the ALV Output

If you have changed single values, added rows or deleted rows in the data table of list-type ALV outputs, you need to complete these changes in the ALV output. You refresh the ALV display.

By default, the ALV output automatically scrolls to the beginning. However, you are able to determine that the current display (position on the screen) not be changed.

You are able to refresh the ALV output in two ways:

  • All settings for filters and sorting remain.

  • All settings for filters and sorting remain.

Features

For changes to content and structure, you are able to make the following settings:

  • Refresh ALV output

  • Swap the data table of the ALV output

Refresh ALV output

With the refresh, you ensure that the changed values are available on the front end as well.

Display Type

ALV Tool

Classic ABAP List

Full Screen

In the Container

Simple, two-dimensional table

Yes

Yes

Yes

Hierarchical-sequential list

Yes

Tree Structure

No

No

Function

Class

Method

Refresh ALV output without deleting filter and sort settings

CL_SALV_TABLECL_SALV_HIERSEQ_TABLE

REFRESH (parameter REFRESH_MODE: SOFT )

Refresh ALV output and delete filter and sort settings

REFRESH (parameter REFRESH_MODE: FULL )

Change the Structure of the Data Table with SET_DATA

Depending on which ALV tool you are using, the parameters of the SET_DATA method are different:

Function

Class

Method

Change structure and data table

CL_SALV_TABLECL_SALV_HIERSEQ_TABLECL_SALV_TREE

CL_SALV_HIERSEQ_LEVEL

SET_DATA

ALV Tool

Parameter

Comment

Simple, two-dimensional table

T_TABLE

Table for structure and contents of the ALV output

Hierarchical-sequential list (in CL_SALV_HIERSEQ_TABLE)

LEVEL

Hierarchy level whose structure you wish to change

T_TABLE

New table of hierarchy level

T_BINDING

List of up to five foreign-key relationships

Tree structure

T_TABLE

Initial empty table, only sets the structure