Fulfillment Workbench Enchancement

I am back again with another problem…

Now that we have the NewAllocatQty updating automatically when you check the allocate box, my next idea was to create a text box that, when they enter a value It will match it to the PartAllocLot.PCID and if it does it will check the Allocate box automatically. I tried to create a new dataview inside of application studio, but for some reason it is not pulling in the field that is set up. That is why i think it is not working. So then I tried to get the text box to = the PartAllocLot.PCID. Now the box is read-only and automatically checks the box of the highlighted row.

Has anyone done this or had experience with this?