title: Creating an Index Column for a Descriptive Data Using “DAX” in Power BI
body: <p>I have a table Like this,</p>
  <p><strong>Table1</strong></p>
  <p><img src="https://i.stack.imgur.com/tcSeL.png" alt="enter image description here" /></p>
  <p>I want to create a column called as Row Number using DAX and not Query Editor (M).</p>
  <p>So the Expected output is,</p>
  <p><img src="https://i.stack.imgur.com/Mv20r.png" alt="enter image description here" /></p>
  <p>This can be done in M - Power Query Side.</p>
  <p>But, I am looking for a solution using DAX- Calculated Column.</p>
  <p>Additional source data</p>
  <p><img src="https://i.stack.imgur.com/BOVdR.png" alt="enter image description here" /></p>