Nested Gallery - Trying to reference selected data from SubGallery to filter additional screens

[TGrounds]

Background:

I have 2 gallery controls (I have consolidated two screens into one by nesting the controls)

• There is a Vertical Gallery listing 'Applications' - from a datasource called 'Apps'
• Nested within the 'Applications' gallery is a Horizontal Gallery listing 'Functions' - from a datasource called 'Functions' filtered on the App Code from the 'Applications' Gallery Control

These are displaying as expected.  Within the Sub-Gallery I have two Icons which navigate to subsequent screens (Features, & Specifications) which use two additional data sources that I filter from values from 'Functions'.  However, now that these controls are nested, when I try to display the title on the both of these screens from a text box in the Sub-Gallery (Functions) called 'Function_Title',  and when I try to filter the data on both screens from a text box in the Sub-Gallery (Functions) called 'Function_Code' both cases now have these values as blank.   

When these now combined Galleries were split into two different screens I was able to simply set the title on the new screens simply referencing the text boxs directly.  

Is there something I need to do differently to access the selected sub-gallery information?  All of the sub-gallery fields are avaialble in the intellisense leading me to believe that they are avaialble in this context - so I'm curious to know why the values are not?

Thanks -

Tom. 

[TGrounds · Accepted solution]

I thought I found the answer - When I fully qualified the object I was able to get the selected values (NestedGalleryName.Selected.DescriptionTextBox.Text).  I updated my PowerApp and tested all of the referenced and then saved and published it.  Now when I run the PowerApp it is NOT working, and when I go into the development environment and run it there - same results.  It's no longer working.  This appears to be a bug of some kind.  Has anyone else experienced this?

[TGrounds · Accepted solution]

This does appear to be a bug.  I added two text boxes to the primary gallery (Applications) caled 'SelectedFunctionTitle' and 'SelectedFunctionCode' - and set them to the fully qualified item FunctionListing.Selected.FunctionTitle.Text and FunctionListing.Selected.FunctionCode.Text and the two text boxes populated.  Then I went to make the change for my subsequent forms to use these new text boxes - and when I navigated to the form they were working with the fully qualified value.  I saved and published and they are working as expected.  So it appears that the primary gallery had to have a label to hold the selected value of the sub-gallery and when that was in place then the fully qualified reference appears to work.

To clean up the app, I adjusted all subsequent screens to use the new text boxes.