Making field mandatory dynamically

[Former Member]

HI,

Can anybody send sample code for following logic?

i am having three fields as select options.

consider

BSART

BUKRS

EBELN

In selection screen if BUKRS is initial, I want to change EBELN as mandatory.

else if BUKRS is not initial, EBELN is not mandatory.

usefulll answers will be rewarded.

Thanks & Regards,

Naveen

[Former Member]

Hi,

try this

if bukrs is intial.

if EBELN is initial.

message e000 with ' enter ebeln value'

endif.

endif.

regards,

venkatesh

[Former Member]

hi,

your test must be in the at selection-screen section.

at selection-screen.

if bukrs is initial and ebeln is initial.

message e000 with 'Enter burkr or ebeln value'

endif.

regards.

[gopi_narendra]

AT SELECTION-SCREEN.
  IF p_ebeln is initial.
    message E138(ZCLASS) with 'PO Number is mandatory'.
  ENDIF.

Regards

Gopi