When doing BDC for 0045 scrolling is not working.

Dear freinds,

i have to upload data of 0045 , personnel no subtype loanamountgranted paymentsdate pament type Amount

developed custom program for writing BDC for infotype 0045 and iam able to upload only 7 records for the payment tab from my flat file , however when iam trying for 8th record i.e by using in my code 'P++' for scrolling it is not working . Could any one please let me know how can i scroll the table control records for 0045.

Please help me .

regards

divay.