Dear members,
I would like to sort icon (that small triangle) to become visible before clicking on it and stay visible forever. That can help users to realize that the specific column can be sorted.
How can i achieve this?
thank
Hello community,
I would like that to achieve this, too.
Could somebody help? 
Thansk a lot!
Use table.setSortContainerPropertyId and setSortAscending. Also look here:
https://vaadin.com/forum/#!/thread/307621/309739