title: How to set the style for border of gridview?
body: <p>in the following is my gridview and i want to delete all borders.</p>
  
  <p>How could be this possible to do? because i tried a lot but couldn't got succeeded.</p>
  
  <p><img src="https://i.stack.imgur.com/Jq1xW.png" alt="gridview"></p>