@Html.TextBoxFor(m => m.prolongtime, new { @class = "form-control", id = "prolongtime", placeholder = "时长计时" ,text=""})
<button type="button" class="btn btn-default" id="SaveData">保存</button>
用 button
jquery click 事件 给 @Html.TextBoxFor 赋值
text(value); html(value); val(value);