title: Blazor generic component - unknown prop
body: <p>this is my search metod in generic component:</p>
  <pre><code> private ICollection&lt;TItem&gt; GetItems(string text)
  {
      return DataToSearch.Where(x =&gt; x.ToString().ToUpper().Contains(text.ToUpper())).ToList();
  }
  </code></pre>
  <p>I want change x.ToString() for TItem property, but i don't know how i can do it.</p>
  <p>Should I pass anyone property name like component parameter?</p>