Value is updated in debugging screen but not updated during execution

Hi

I have written a report program to upload the data from excel, which has multiple batches into, MIGO transaction.I have to enter the vendor batch  and production date for each Batch.I am able to enter multiple values into Distribute screen i,e. Quantity and Bataches. I am able to see the values updated for Vendor Batch and production date while debugging but it is not showing in screen fields.Please help.Very Urgent.

Venky