Hi Ismail,
in your code example you define field names in CAPS (ie: 'A', 'B',
'C', 'D') but then try to read the data from lowercase fieldnames:
Rec(row['a'],row['b'],row['c'],row['d'])
so I don't think you'll get much data... could you try this instead?
Rec(row['A'],row['B'],row['C'],row['D'])
Cheers,
Florent