title: How to reset dropdown to zero index in MVC?
body: <p>in my mvc project i bind a dropdown like below in a div</p>
  
  <pre><code>@{
      List&lt;SelectListItem&gt; lsqty = new List&lt;SelectListItem&gt;();
      for (int i = 1; i &lt;= 10; i++)
      {
           SelectListItem sl = new SelectListItem { Text = i.ToString(), Value = i.ToString(), Selected = false };
           lsqty.Add(sl);
      }
  }
  Qty: @Html.DropDownList("ddlQty", lsqty, new { style = "width:30px", @class = "positive-integer" })
  </code></pre>
  
  <p>that from a html list like below</p>
  
  <pre><code>&lt;select style="width:30px" name="ddlQty" id="ddlQty" class="positive-integer"&gt;
    &lt;option value="1"&gt;1&lt;/option&gt;
    &lt;option value="2"&gt;2&lt;/option&gt;
    &lt;option value="3"&gt;3&lt;/option&gt;
    &lt;option value="4"&gt;4&lt;/option&gt;
    &lt;option value="5"&gt;5&lt;/option&gt;
    &lt;option value="6"&gt;6&lt;/option&gt;
    &lt;option value="7"&gt;7&lt;/option&gt;
    &lt;option value="8"&gt;8&lt;/option&gt;
    &lt;option value="9"&gt;9&lt;/option&gt;
    &lt;option value="10"&gt;10&lt;/option&gt;
  &lt;/select&gt;
  </code></pre>
  
  <p>on some buttom i do some functinality, so i want to reset this Dropdown to zero index, how can i do that?</p>