title: Verify if string exists in an List
body: <p>I have a list with "Owners". I need to check if the current user is the owner.
  so i tried  :  (list.Contains(string)) : </p>
  
  <pre><code>    string Owner = user.Name.ToString();
      if (lstOwners.Contains(Owner))
      {
          btnManager.Visible = true;
      } //does not work.
  </code></pre>
  
  <p>It doesn't work !! </p>
  
  <p>but it works when i do that : </p>
  
  <pre><code>    if (lstOwners.Contains("BRJesusCA2"))
      {
          btnManager.Visible = true;
      }
  </code></pre>
  
  <p>can you please tell me why ?? </p>
  
  <p>Owner and "BRJesusCA2" have the same value!</p>