Answer Posted / nehruu g

Use "at selection-screen" to perform validation

Example :

at selection-screen on s_bedat.
if s_bedat ne '00000000'.
data1 = s_bedat-low.
data2 = s_bedat-high.
data3 = ( data2 - data1 ).
if data3 > 367.
MESSAGE 'Date interval should be 1 year period.'
TYPE 'E'.
endif.
endif.

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