Problem in responsetext and if condition
I have a simple form for testing on displaying material data from barcode and I substr the value.
for example the barcode = '10001CHE00102401100200250000.50'
po_number = 10001
item_code = CHE001
supplier = 024
uom = 01
unique_id = 100200
qty = 250000.50
if the barcode has all its data or it has no problem or no missing info like po_number or item_code or the supplier from the database, it will display the information but if it is not match on the database data. I want to display a notification that the barcode is invalid.
I attached my code, database and sample screenshots my problem is on displaying the notification .
I tried to fix it but I can't figured out why it did not display.
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