pls do the needful

hi

i have threee input parametres

parametesr: p_matnr LIKE mara-matnr OBLIGATORY ,

p_charg LIKE mchb-charg OBLIGATORY,

p_werks LIKE marc-werks OBLIGATORY,

in input selection i am entering the values.

say matnr qm002

batch f4005

plant 1101

now what happens is

i am declare

at selection screen on value request for p_matnr.

now i am fetching the query and populating the data to internal table

while fetching the data

SELECT * FROM lips INTO CORRESPONDING FIELDS OF TABLE p_it_values

where werks = p_werks

AND matnr = p_matnr

AND charg = p_charg.

here the entries of p_matnr and p_charg and p_werks shows no entries .

whiole i am giving input selection screen

how to solver that one

pls let me know it's urgent

regards

suma