Validations in RFC Programming

[Former Member]

i have to add a field by name (vendor reference) in RFC Table and that should be an optional field and the validations that i have to do is that

The entered value should exist in the table LFA1 and in the field LIFNR (LFA1-LIFNR) or the entered value should me a text with"NO-ALLOC"

Otherwise it should show an error,

Please provide me the code and i have to write the code in RFC's

[Former Member]

Hi,

say the field name in RFC is V_LIFNR

If not V_LIFNR is initial and ne 'NO-ALLOC'.
select single LIFNR from LFA1
into l_lifnr where lifnr eq v_lifnr.
if sy-subrc ne 0.
RAISE NO_DATA.
endif.
endif.

In EXCEPTIONS tab, mention NO_DATA.

Best regards,

Prashant