title: How to put two columns in the same line with Listbox C#
body: <p>I trying to put firstname and lastname in the same line but without success, instead this return firstname, lastname value in list.
  What I'm doing wrong?</p>
  <pre><code>            foreach (DataRow dr in dt.Rows)
          {
             this.lstBoxRunnerName.Items.AddRange(new object[] {
             dr[&quot;firstName&quot;].ToString() , dr[&quot;lastName&quot;].ToString(),
          });
  
          }
  </code></pre>