Jean-Philippe Lévesque

My bad, **it does stop the DataContext propagation**, but the binding still doesn't work. I get a `NullReferenceException`. (It seems that with later Uno.UI versions, we don't get the `Failed...

### With `DataContext="{x:Null}"` ``` [ApplicationTemplate.Views.Startup] Starting startup. [ApplicationTemplate.CoreStartup] Starting core startup. [ApplicationTemplate.CoreStartup] Starting services (isFirstStart: true). Loaded assembly: /data/data/com.nventive.internal.applicationtemplate/files/.__override__/System.Runtime.Serialization.dll [External] [Chinook.SectionsNavigation.FrameSectionsNavigator] Starting 'SetActiveSection' operation for section 'Login'. Loaded assembly: /data/data/com.nventive.internal.applicationtemplate/files/.__override__/System.Data.dll...

I get the same `NullReferenceException` when setting the `DataContext` to `null` directly in the code behind of the page like this. 

@jeromelaban I updated the description to include a repro that targets .Net 7 mobile. (It's very similar to the Xamarin sample.)

Thanks for the workaround @jeromelaban. Does it work with the `OneTime` mode?