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Problem to display Datacard (empty when i run the application but not in edit mode)

Hey, I've created a screen who display my mail Outlook. For this i've defined an gallery ("BrowseGallery1" in "BrowseScreen1"). When i click to "NextArrow1" i go to screen "DetailScreen1". In this screen i've defined a form ("Form2") connected to "BrowseGallery1.selected" and an datacard "Datacard2".



Problems :


1 / When I display the Form and i want to add fields. Any fields oh the datasource "BrowseGallery1.selected" is proposed. Why ?




2/ When I insert label in datacard all the data are displayed but when I execute the application the screen is displayed empty. Why ?


Screen 1 - My mails are displayed 

When I execute the application, all the screen is empty !



DetailScreen - In "Edit mode" all the data are displayed ! 🤔


Thanks you for your help.


Bests regard,




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