Reporting errors on the screen

this code is to report error the screen when the false is return.
i have three textbox and the code is to check if a textbox is empty the the code should tell which textbox was empty when the button was click.

Sorry, but what's the question you're trying to ask here?

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well Noted


Check with the code below if it solve your problem,

In your implementation, please check the highlighted code in image, as you are having mathematical comparisons with text, doing before this you need to check weather it is number or not.


You can modify the Notifier for specific message as well, for this you need to modify the hint for all relevant textboxes

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I like the is number block for validation.

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