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Set & Get Values from Extension Javascript to QVW objects

Very appreciate anyone could help!

Scenario 1. I need to get listbox object from extension javascript, seeing from this post http://bi-review.blogspot.com/2011/09/building-extensions-in-qlikview-some.html

This callback function doesn't work

var listboxCallback = function () {

    var caption = this.Layout.Caption.label;



var extCallback = function () {

    qva.GetQvOvbject("LB01", listboxCallback);


Scenario 2. I need to get a inputbox object within extension's javascript, and then set the values back from my extension javascript, how am I able to do that?

Scenario 3. If Scenario 2 couldn't work, then I am thinking about pass a variable into a measure in Definition.xml, then I am stucked at how to define this Definition.xml

In Definition.xml, some samples have lines like

   <Measurement Label="Measurement1" Initial="" />

          <Initiate Name="Chart.Expression.0.0.Definition" value="=3"/>

I really don't understand what does it do

And some samples have multiple measures and is it the right syntax?

   <Measurement Label="Measurement1" Initial="" />

  <Initiate Name="Chart.Expression.0.0.Definition" value="=3"/>

   <Measurement Label="Measurement2" Initial="" />

  <Initiate Name="Chart.Expression.1.0.Definition" value="=3"/> or   <Initiate Name="Chart.Expression.0.1.Definition" value="=3"/>

What is the purpose or meaning to have this arrangement like 0.0, 0.1 or 1.0?

Scenario 4. The reason why I am asking is I have a task, a user will input some meaningful numeric values in the extension object (My requirement is made this way), and I want QVW get these inputs and make the selections across all objects based on that. Any ideas?

PS. I downloaded a document called Qlikview Ajax Javascript Library, but a lot of the samples are not working with Extension, is there any document which can introduce the extension Javascript library in depth?


2 Replies
Not applicable

Re: Set & Get Values from Extension Javascript to QVW objects


I'm having the same problem. Are you able to get through this?

If so, could you please share to me how did you solve this?

Thank you,


Not applicable

Re: Set & Get Values from Extension Javascript to QVW objects

I used variable to communicate to qvw standard object from extension.

Create variables in your qvw, like my case: south, west, north, east

and in your extension, I have things like

  north = northEast.lat();

                    east = northEast.lng();

                    south = southWest.lat();

                    west = southWest.lng();


                    var doc = Qv.GetCurrentDocument();

                    doc.SetVariable('south', south);

                    doc.SetVariable('west', west);

                    doc.SetVariable('north', north);

                    doc.SetVariable('east', east);

don't worry about northEast and southWest, they are variables gettting from google map api.