We have added a barcode to the invoice so we can capture the invoice numbers of each order as we despatch them. We want to be able to scan the barcode and have it update the order status from "processed" to "despatched".
We need this to be as quick and simple as possible and envisage creating a web page interface. The barcode scanner will emulate keystrokes from a keyboard so it will simply receive the invoice number and either a carriage return or tab (or both if needed).
So basically we need a simple web page form that will change the order status of any order number entered from "1" (processed) to "4" (despatched) ideally it would capture all the orders scanned and then update them all in one go but this is not absolutely necessary