(1) REUSE_ALV_LIST_DISPLAY
Display an ALV list as per parameters defined in the function call
(2) REUSE_ALV_GRID_DISPLAY
Display an ALV grid as per parameters defined in the function call
(3) REUSE_ALV_COMMENTARY_WRITE
List header information is output according to its type. The output information is put in an internal table. Output attributes are assigned to each line via the TYP field.This module outputs formatted simple header information at TOP-OF-PAGE.
(4) REUSE_ALV_HIERSEQ_LIST_DISPLAY
This module outputs two internal tables as a formated hierarchical-sequential list.
(5) REUSE_ALV_VARIANT_F4
Display variant selection dialog box.
(6) REUSE_ALV_VARIANT_EXISTENCE
Checks whether a display variant exists.
Other Useful Link :
Customize ALV grid layout at run time
Download ALV grid Control Tutorial
Understand ALV report ( Just Copy and paste )
Dynamic selection on ALV at run time
Dynamic selection on ALV at run time