>On many apps, the order number is not typically shown until the order is submitted (or data has been completed keyed) because it is not a valid order until then. Once that is done, then the order number is displayed.
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If this satisfies the user requirements, then the problem is easy to solve. But if we do need to show this field in advance, then I don't see a simple solution.
If it's not broken, fix it until it is.
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