How to set vertical text in the column headers of WPF DataGrid?

Question

Well, actually rotated -90 degrees from horizontal is what I mean.

I need to do this because the text for the header is quite long but the cell value is short, and

Answer 1

Here is another way to do it:

You can use the style as follows

I find this approach gives you a lot of control. It is helpful to use the line break code in long header text.

Unfortunately I have found you need to hardcode the width of the rotated textblock - maybe there is a better way to set this width based on the text content.