Page Comparison

...

1. Click on the Grid widget, and change the movable columns property to true.
2. Click on the ORAMOUNT field, and set the id property to Amount (you can use any name you like here, but you'll need to know what it is in step 4.)
3. Click on the ORREFUND field, and set the id property to Refund (you can use any name you like here, but you'll need to know what it is in step 5.)
4. Click on the TotSales field and set the id property to Amount_total.  This must be exactly the same (including upper/lower case letters) as the column it corresponds to (Amount, in this example) with _total as a suffix.
5. Click on the TotRefunds field and set the id property to Refund_total. This must be exactly the same (including upper/lower case letters) as the column it corresponds to (Refund, in this example) with _total as a suffix
   . 

Now save and recompile your display file. Also add the calculation for TotSales and TotRefunds to the RPG program, if necessary.

...