mvc中form表单提交的几种形式

         <form action="MyDemand" method="post">
             <span>关键字：</span>
             <input  name="keywords" type="text" value="@keywords" />
            <input type="submit" value="搜索" />
       </form>

        <form id="dataform" action="UpdateUserInfo" enctype="multipart/form-data" method="post">
            <table style="width:100%;border:0;" cellpadding="0" cellspacing="0">
                <tbody>
                    <tr>
                        <td width="40">名字：</td>
                        <td><input type="text" name="nvc_name" id="nvc_name" value="@Model.nvc_name" /></td>
                    </tr>
                    <tr>
                        <td colspan="2" align="center">
                            <input type="button" value="保存" id="btnsubmit" />
                        </td>
                    </tr>
                </tbody>
            </table>
        </form>

<script src="http://code.jquery.com/jquery-1.11.0.min.js"></script>  
<script src="http://malsup.github.io/jquery.form.js"></script> //ajaxForm 依赖脚本
<script type="text/javascript">
    $(document).ready(function () {
        $("#btnsubmit").click(function () {if ($("[name=‘nvc_name‘]").val() == "") {
                alert("请填写名字");
                $("[name=‘nvc_name‘]").focus();
                return;
            }
            $("#dataform").ajaxSubmit(function (r) {
                alert(r.Msg);
                if (r.success) {
                    location.reload();
                }
            })
        })
    });
</script>

<script type="text/javascript">

$(function () {
        $("#btnsubmit").click(function () {
            var nvc_user_name = document.getElementById(‘nvc_user_name‘);
            $.post(‘/Interface/ModefiyPwd‘, {
                nvc_user_name: nvc_user_name.value,
            }, function (data) {
                if (data.success) {
                    $("#successdiv").show();
                    $("#editdiv").hide();
                }
                else {
                    layer.msg(data.Msg);
                }
            });
        });
    })

</script>