Bdc PA40

Hi

friends iam doing bdc for pa40 hiring .My problem

is after entering and saving the values in 0,1 and 2 infotype i have to come out and do action for other employee but after saving iam getting another screen

which i dont want ..i tried by ok code too .

The ok code is =upd for saving after this i coded perform transaction pa40 .

but then too its going on to another screen .

regrds

answer will be awarded points

code:-

loop at itab

perform bdc_dynpro USING 'MP000100' '2000'.

PERFORM bdc_field USING 'BDC_CURSOR'

'P0001-BTRTL'.

PERFORM bdc_field USING 'BDC_OKCODE'

'/00'.

PERFORM bdc_field USING 'P0001-BTRTL'

itab-btrtl. PERFORM bdc_field USING 'P0001-GSBER'

itab-gsber. PERFORM bdc_field USING 'P0001-ANSHVH'

itab-anshvh.

perform bdc_dynpro USING 'MP000100' '2000'.

PERFORM bdc_field USING 'BDC_CURSOR'

'P0001-BTRTL'.

PERFORM bdc_field USING 'BDC_OKCODE'

'=UPD'.

PERFORM bdc_transaction USING 'PA40'.

endloop.