title: How to display Grid View header Text Vertically?
body: <p>I have many columns to display in grid view. Now I am displaying Horizontally it is taking more space. so, I would like to display Vertically. I have searched a lot. I have got suggestion like use <code>"HeaderStyle-VerticalAlign"</code> attribute. And I followed this <a href="https://stackoverflow.com/questions/40415645/how-to-get-gridview-header-text-vertically">link</a> to get help from stack overflow, but it is also not working. Waiting for the priceless suggestion.</p>