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how to combine values collected from drop down lists


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Is it possible to combine the results of drop downs? When I use

var x = document.getElementById("EditRecordFieldName1").value;

var y = document.getElementById("EditRecordFieldName2").value;

var bothnames = x + y;

and the input types are set to TEXT, I get the result I want. If I change it to a drop down that references a look-up table then I get no result. Is there a different way to access the value?

Thanks!!

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I figured it out...

the original

var x = document.getElementByID("EditRecordName1").value;

the correct format

var x = document.getElementsByName("EditRecordName1")[0].value;

Added an /s/ to element and changed /ID/ to /Name/ and added at the end [0]. Not sure what the [0] actually means, but it works!

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If you are wondering what [0] is for:

The document.getElementsByName will return an array of all dropdowns in the document called for example EditRecordName1 so to refer to the dropdown element you should use [0] which is the index referring to the first dropdown (although there is only one but still you should use [0]).

Best,

Bahar M.

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  • 7 years later...

You could try the Calculated Value to get and combine the values of your Dropdown. Caspio introduced new features which you can find here: https://howto.caspio.com/release-notes/caspio-bridge-13-0/ This release includes a new feature, Calculated Values in Submission Forms.  This allows you to generate calculations which you can use for your DataPage. 

Check these videos for more information:

 

I hope this helps!

 

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