using chosen.jquery.jsusing chosen.jquery.csshtml:<label for="MeetingUsersList" class="label"><strong class="fg-red">∗</strong> 参会人员</label><select data-placeholder="请选择参会人员..." id="MeetingUsersList" multiple="multiple" class="chosen-select form-control"></select><input type="hidden" id="MeetingUsers" placeholder="参会人员" name="MeetingUsers"><input type="hidden" id="MeetingUsersName" placeholder="参会人员" name="MeetingUsersName"><div class="field-validation-error" data-valmsg-for="MeetingUsersList"  validata="http://www.mamicode.com/MeetingUsers"></div> j s:         $.ajax({            type: "post",            url: "/UserMeeting/MeetingUserList",//初始化下拉多选列表             global: false,            success: function (data) {                $(‘#MeetingUsersList‘).html(data);//绑定下拉值                //初始化                var chose = $("#MeetingUsersList").chosen({                    no_results_text: "Sorry,未检索到相关数据!",                    max_selected_options: 100,                    width: "100%"                });                var aa = 1;                chose.trigger("liszt:updated");                chose.change(function (e, t) {                    var selectedTitle = ‘‘;                    var selected = ‘‘;                    $("div[validata=http://www.mamicode.com/‘MeetingUsers‘]").css(‘display‘, ‘none‘);                    selected = $("#MeetingUsersList").val();                    $.each($(".chosen-container .search-choice"), function (i, e) {                        selectedTitle += $(e).find(‘span‘).text() + ‘,‘;                    });                    $("#MeetingUsers").val(selected);//保存选择值                     $("#MeetingUsersName").val(selectedTitle.substring(0, selectedTitle.length - 1));//保存选择标题                    chose.trigger(‘chosen:updated‘);                }).bind("chosen:maxselected", function () {                    $("div[validata=http://www.mamicode.com/‘MeetingUsers‘]").css(‘display‘, ‘block‘).html(‘请选择参会人员！‘);                    return false;                });                //初始化设置值                chose.val($("#MeetingUsers").val().split(‘,‘));//根据value设置选中值，设置的时候如果多个 传数组                chose.trigger(‘chosen:updated‘);//传递完成之后刷新            }        });