how to set default button press enter key in mvc3,razor

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MVC3

Razor

Hi All,

How to set the default button on press enter key. not working my jquery script code.
my code like this.

  @*<script type="text/javascript">              $(document).ready(function () {
                  $("#MyForm").keypress(function (e) {
                      kCode = e.keyCode || e.charCode //for cross browser
                      if (kCode == 13) {
                          var defaultbtn = $(this).attr("DefaultButton");
                          $("#" + defaultbtn).click();
                          return false;
                      }
                  });
              });
&lt;/script>*@

          &lt;script type="text/javascript">
              var ButtonKeys = { "EnterKey": 13 };
              $(function () {
                  $("#MyForm").keypress(function (e) {
                      if (e.which == ButtonKeys.EnterKey) {
                          var defaultButtonId = $(this).attr("DefaultButton");
                          $("#" + defaultButtonId).click();
                          return false;
                      }
                  });
              });
&lt;/script>

 @using (Html.BeginForm("NewCustomer", "Customer", FormMethod.Post, new { DefaultButton = "btnContinue", id = "MyForm", Name = "MyForm" }))
    {   <div id="login">
         <table style="vertical-align:5px;">
                        <tr>
                           <td>
      Enter Your Email ID
                            @Html.TextBoxFor(m => m.EmailId, new { @tabindex = "1", @Id = "subemail", @Name = "subemail"})
                            </td>
                        </tr>

                         <tr>
                            <td>

                                    Select Your City</h2>
                            @Html.DropDownListFor(m => m.Address.City, new SelectList(ViewBag.CityList, "ItemValue", "ItemText"), new { @tabindex = "2"})


                            </td>
                        </tr>
                        <tr>
                            <td>
                                &lt;input type="submit" value="Great Deals" class="btn" name="Continue" id="btnContinue"  runat="server" tabindex="3"/>

                    </table>
                </div>

But am select the city after then press the enter key but not working.

Please help me thanking you.