// The view: Index.aspx
 
<!-- the non-AJAX form to filter the list -->
<% using (Html.BeginForm()) { %>
    <fieldset>
    <legend>Search</legend>
    <input name="SearchTerm" />
    <input type="submit" value="Go" />
    </fieldset>
<% } %>
 
<!-- the AJAX form to filter the list -->
<script src="/Scripts/MicrosoftAjax.js" 
    type="text/javascript"></script> 
<script src="/Scripts/MicrosoftMvcAjax.js" 
    type="text/javascript"></script>
 
<% using (Ajax.BeginForm("Index2", 
    new AjaxOptions { UpdateTargetId = "results" })) { %>
    <fieldset>
    <legend>Search</legend>
    <input name="SearchTerm" />
    <input type="submit" value="Go" />
    </fieldset>
<% } %>
 
<!-- render the partial inside the view -->
<div id="results">
    <% Html.RenderPartial("Search", Model); %>
</div>
 
// The partial: Search.ascx (a default LIST 
// T4 template, nothing special/custom)