What database are you using ? If you are using Oracle, you could add the pseudocolumn ROWNUM to your query, and use it as the serial number. Other databases could have something similar. Another (and more complex) option could be to retrieve your report's data into a temporary recordset, then construct another recordset, add and calculate a serial_number field programmatically to it, and then set this new recordset as the source of your DataReport before calling it.

What database are you using ? If you are using Oracle, you could add the pseudocolumn ROWNUM to your query, and use it as the serial number. Other databases could have something similar. Another (and more complex) option could be to retrieve your report's data into a temporary recordset, then construct another recordset, add and calculate a serial_number field programmatically to it, and then set this new recordset as the source of your DataReport before calling it.