title: Operator '>' cannot be applied to operands of type 'string' and 'string' in query
body: <p>In my table I have this field:</p>
  
  <pre><code>public string CARD_MANA_CONVT { get; set; }
  </code></pre>
  
  <p>It is a <strong>numerical</strong> field written as a string. Yep. Because in 95% of the time the value is an int, and the remaining 5%, it will be an X. So we made this a string.</p>
  
  <p>I have to made a query based on a value chosen by the user. The problem is that I also need to check if the value is higher or lower.</p>
  
  <p>Here's my query:</p>
  
  <pre><code>var cardsList = cardList.Where(_item =&gt; _item.CARD_MANA_CONVT &gt; 5);
  </code></pre>
  
  <p>Is there a way to do this?</p>