title: C# How to get count of objects where some field is "undefined"?
body: <p>I just trying to get all objects where field "fbLogged" is false or undefined, but query ignores objects with "undefined" value, how to fix it?
  I have already tried conditions like</p>
  
  <pre><code>WhereEqualTo("fbLogged",null);
  </code></pre>
  
  <p>or</p>
  
  <pre><code>WhereEqualTo("fbLogged","");
  </code></pre>
  
  <p>and it does not works.</p>
  
  <p><a href="https://i.stack.imgur.com/58onu.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/58onu.png" alt="enter image description here"></a></p>