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Validation of Selection Screens

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Validation of Selection Screens
Stechies

Validation of selection screen can be performed in the AT SELECTION SCREEN event.

Example:

************************************************************************
* AT SELECTION SCREEN *

************************************************************************
at selection-screen.
perform validate_selection_screen using g_returkode.
if g_returkode = c_returkode_error.
exit.
endif.

*&---------------------------------------------------------------------*

*& Form validate_selection_screen

*&---------------------------------------------------------------------*

* Validation of selection screen

*----------------------------------------------------------------------*

* -->P_G_RETURKODE text

*----------------------------------------------------------------------*

form validate_selection_screen using p_returkode.
if s_framd > 12 or s_framd < 1 or s_tilmd > 12 or s_tilmd < 1.
message e998.
p_returkode = c_returkode_error.
exit.
endif.
if s_framd > s_tilmd.
message e997.
p_returkode = c_returkode_error.
exit.
endif.

if s_fraaar < s_tilaar.
message e996.
p_returkode = c_returkode_error.
exit.
endif.

ENDFORM.