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how to set not show "undefined" when using Input Box through webpage

hi

I have set a variable v_product:

2.png

I use Input box in qv,through webpage always see "undefined" in Input Box,I want to not show "undfined".

1.jpg

     Can anyone help me on this ?   thank you!

1 Reply
Not applicable
Author

If you have no input constraints on your variable, this will happen.


Go to Settings > Document Settings > Variables > Input Constraints

You can also mange these constraints while you are configuring the input box.

Go to Input Box Properties > Constraints > Input Constraints