<script type="text/javascript">
        $(document).ready(function() {
            LoadBooks();
        });

        function LoadBooks() {
          $(".Books").hide();
          $(".Books").load("/Books/Edit/<%= Model.AuthorID %>");
          $(".Books").show('slow');
        }
     </script>

<%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<Solution.Controllers.BooksController+BooksViewModel>" %>
     <% using (Html.BeginForm(null,null, FormMethod.Post,new { id = "bookform" }))
        {%>
            <fieldset>
                <legend>Books</legend>
                <%int i = 0;
                    foreach (var book in Model.Books)
                    {%>
                      <%= book.BookID%>
                      <%= Html.Hidden("book[" + i + "].BookID", book.BookID) %>

                      <%= Html.DropDownList("book[" + i + "].CatID", new SelectList(Model.Categories, "CatID", "CatTitle", book.CatID))%>
                      <%= Html.ValidationMessage("CatID", "*")%>

                      <%= Html.TextBox("book[" + i + "].BookTitle", book.BookTitle)%>
                      <%= Html.ValidationMessage("BookTitle", "*")%>
                      <br />
                      <%i++;
                    } %>
            </fieldset>
     <% } %>

function DoAjaxPostAndMore(btnClicked)
{
       var $form = $(btnClicked).parents('form');

        $.ajax({
            type: "POST",
            url: $form.attr('action'),
            data: $form.serialize(),
            error: function(xhr, status, error) {
                  //do something about the error
             },
            success: function(response) {
                 //do something with response
                LoadBooks();

            }
        });

  return false;// if it's a link to prevent post

}

<input type="button" value="Submit" onclick="DoAjaxPostAndMore(this)"/>

<a href="/url/something" onclick="return DoAjaxPostAndMore(this)">linktext</a>

var $form = $("#theformid");

<a href = "javascript: SaveProperties();">Save properties</a>
SaveProperties() { $('#bevpropform').submit(); }

SaveProperties() { $('#bevpropform').submit(); return false; }

@using (Ajax.BeginForm("Method", "Controller", new AjaxOptions { HttpMethod = "POST" }))
{
}