title: Repeater and tr runat=server. How to add class to row?
body: <p>I need to the attribute <code>class</code> (if it doesn't exist) to table row located in a repeater. There's a question is inside the code.</p>
  
  <p><strong>aspx</strong></p>
  
  <pre><code>&lt;asp:Repeater runat="server"&gt;........
    &lt;ItemTemplate&gt; .....
        &lt;tr runat="server" id="row" &gt;
        .....................
  </code></pre>
  
  <p><strong>codeBehind</strong></p>
  
  <pre><code>void rpt_ItemDataBound(object sender, RepeaterItemEventArgs e)
          {
              if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
              {
  
                  var row= e.Item.FindControl("row");
                  //how do I use it? How do I add "class" (if not exists) to "row"?
              }
          }
  </code></pre>