title: How to achieve TRY_CONVERT functionality in SSIS?
body: <p>In SSIS package I have derived column in which I want to format phone like below:</p>
  
  <pre><code>CASE
      WHEN TRY_CONVERT(BIGINT, phone) IS NULL THEN
          NULL
      ELSE
          phone
  END
  </code></pre>
  
  <p>How can I use the SSIS expression to achieve same result as above?</p>