Set the focus on a textbox in xaml wpf

Question

Despite some posts on this forum and others i cannot find something that tells me how to set the focus on a TextBox.

I have a userControl with many labe

Answer 1

From experimenting around, the xaml solution

FocusManager.FocusedElement="{Binding ElementName=yourElement}"

seems to work best when you place it in the highest element in the window hierarchy (usually Window, or the Grid you place everything else in)