thank you, i've added that line after line 101, but i already have that same code in the previous line, but i still added it and test it again, the result is still empty. you said i have these $row_WADAorderdetails['mp3_path']
what code should be there is it these, $row_WADAorderdetails['FileName']
according to the documentation it says
22. Select the Design button to return to Design view.
23. Select the icon representing the Hidden form element.
24. From the Properties Inspector, choose the value lightning bolt.
25. Expand the WADAorderdetails Recordset, and choose the ProductLocation column.
26. Click OK.
27. Press Ctrl (Cmd) + S to save the page.
and my ProductLocation column is the mp3_path
