The predefined layouts available for the RadListView are covered on the Understanding the HTML Output and CSS Styling
documentation page and demonstrated in this online demo
. It would be difficult to define a custom template to transpose the display of the listview items.
I believe that the best way to accomplish this is to transpose your data prior to assigning it as the RadListView.DataSource.
Here are a couple of articles relating to this option:
Transpose or just rows as columns
Transpose a DataTable using C#
I hope this helps!