Question

How would I set a different startup page ?
the current page \ form is GroupedItemsPage
I want to change this to testpage ?

Thanks

Answer 1

You can change the default start page for your application by editing the package manifest that is in the root of your project.

1. Expand the node for your project
2. Double click package.appxmanifest
3. Select the start page option, and point it to the file you want.