利用Select2优化@Html.ListBoxFor显示，学会用Mu…

public class MultipleSelectModel
    {
        public int[] MultipleItem { get; set; }
    }

public ActionResult MultipleSelectView()
        {
            //实际可从数据库取数填充
            List<SelectListItem> listBox = new List<SelectListItem>();
            for (int i = 0; i < 4; i++)
            {
                var temp = new SelectListItem
                {
                    Value = i.ToString(),
                    Text = "第" + i.ToString()
                };
                listBox.Add(temp);
            }
            //定义已选数据
            var viewModel = new MultipleSelectModel();
            viewModel.MultipleItem = new int[] { 0, 1 };

            ViewBag.MultiSelecteTest = new MultiSelectList(listBox, "Value", "Text");
            return View(viewModel);
        }

@model Models.ViewModel.MultipleSelectModel
@{
    ViewBag.Title = "MultipleSelectView";
    Layout = "~/Views/Shared/_Layout.cshtml";
}<h2>MultipleSelectView</h2>
@Html.ListBoxFor(model => model.MultipleItem, ViewBag.MultiSelecteTest as MultiSelectList, new { @class = "form-control multiple-select"})

@Styles.Render("~/Content/jqueryui")
@Styles.Render("~/Content/select2")

@section scripts{
    <script src="~/Scripts/select2.min.js"></script>
}

<script type="text/javascript">
        $(document).ready(function () {
            $('.multiple-select').select2();
        });
    </script>

@using (Ajax.BeginForm("_PartialViewAction", "ViewTestr",
                                                                    new AjaxOptions() { HttpMethod = "POST",  OnComplete = "selectDeviceSuccess" },
                                                                    new { enctype = "multipart/form-data" }))

function selectDeviceSuccess() {
    $('.multiple-select').select2({ language: 'zh-CN' }); }