title: Show "No record found" message on a WPF DataGrid when it's empty
body: <p>If there is no record available, I want to add a <code>TextBlock</code> on data grid, below the header,  showing the message "No Record Found." </p>
  
  <p>Consider the attached image for reference.<img src="https://i.stack.imgur.com/3950b.jpg" alt="alt text"></p>