 <pre><code>tableItems = tableItems.OrderBy(i =&gt; i.ItemName != "yourexceptitem").ThenBy(i =&gt; i.Timestamp).ToList(); </code></pre> <p><strong>EDIT:</strong> If you want to sort the itemname except one, do like this,</p> <pre><code> tableItems = tableItems.OrderBy(i =&gt; i.ItemName != "TestSubject3").ToList(); </code></pre>