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How to calculate default field values on online form

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Woozy

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Posts: 709

5/24/2011 6:34 PM

I have created a custom online inquiry form. When the form opens, I would like to populate some of the query parameters with calculated default values (which the user could override). Is this possible in 4GL?

For example, I'd like to pre-populate from/thru date fields based on the current date.

From my testing, It appears that none of the PD code is called until the user clicks Inquire/Next/Previous, which is too late for my purposes.

Am I missing something?

Venkat

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Posts: 22

6/12/2011 4:16 PM

For what I have realized over the past versions (from 7.x to 9.x), the default values can be defined only in .scr file and that has to be a constant. Your conclusion about control passing over to PD code is correct. The screen is presented to the user first without any of the PD code being executed. Only upon clicking a button the control passed to the PD code. This is true for both online and batch forms.

Woozy

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Posts: 709

6/17/2011 1:37 PM

Thanks Venkat. I'll have to work around it. I appreciate your help!

Jason Beard

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Posts: 124

10/6/2011 10:28 PM

I know this is an old post, but if you are using Portal/Design Studio you can use the forms on init method to set these types of values...