title: SSRS - How to sum a Parameter Expression?
body: <p>I'm using the below Parameter as an expression in my report to feed a number between 1 &amp; 7. How do I sum this column?</p>
  
  <pre><code>=Parameters!NoofBookingsYear1.Value
  Expression: [@NoofBookingsYear1]
  </code></pre>
  
  <p>Data is grouped by Season.</p>