title: SSIS Conditional Split boolean result
body: <p>In conditional split component, I need to know if Age equals -1 and am using following statement. <img src="https://i.stack.imgur.com/s1kGu.png" alt="enter image description here"></p>
  
  <p>However, there comes errors when running. How should I modify my statement? Thx a loooooooot!!</p>
  
  <pre><code>Error: The expression "Age == -1" on "output "Unknown" (12743)" evaluated to NULL, but the "component "Age Conditional Split 1" (12740)" requires a Boolean results. Modify the error row disposition on the output to treat this result as False (Ignore Failure) or to redirect this row to the error output (Redirect Row).  The expression results must be Boolean for a Conditional Split.  A NULL expression result is an error.
  </code></pre>