jquery dialog 无法关闭

Question

我用jqeruy dialog 写了一个弹出层的小程序，用 $(this).dialog("close");却无法关闭弹出层，但是父界面层的阴影消失了，父界面的所有控件都可以用，就是弹出层无法消失。改为$("#NewAdd").dialog("close");后依然是这样的。由于初次用dialog，请求高手帮忙解决，谢谢。。

Answer 1

-------------------------显示新增层---------------------
        $(function () {
            $("#NewAdd").dialog({
                hide: true,
                bgiframe: true,
                modal: true,
                title: "新增信息",
                width: "400",
                height: "420",
                autoOpen: false,
                buttons: {
                    "确定": function () {
                        if ($(".MenuId").val() == "" || $(".Status").val() == "" || $(".MenuCode").val() == "" || $(".MenuName").val() == "" || $(".PageUrl").val() == ""
                            || $(".ApplicationId").val() == "" || $(".Description").val() == "" || $(".ParentId").val() == "" || $(".Levels").val() == ""
                            || $(".EndFlag").val() == "" || $(".Picture").val() == "")//判断不能为空的选项是否为空
                        {
                            alert("选项不能为空!");
                        }
                        else {
                            function getJsonContent() {
                                return { MenuId: $(".MenuId").val(), Status: $(".Status").val(), MenuCode: $(".MenuCode").val(), MenuName: $(".MenuName").val(), PageUrl: $(".PageUrl").val(),
                                    ApplicationId: $(".ApplicationId").val(), Description: $(".Description").val(), ParentId: $(".ParentId").val(), Levels: $(".Levels").val(),
                                    EndFlag: $(".EndFlag").val(), Picture: $(".Picture").val()
                                }; //获得保存选项的值，并构造成json格式
                            };
                            var jsonContent = getJsonContent();
                            $.ajax({
                                url: '<%=Url.Content("~/Grid/SaveContent/")%>',
                                type: 'POST',
                                dataType: 'json',
                                data: jsonContent,
                                complete: function () {
                                    alert("保存成功");
                                    history.go(0);
                                }
                            });
                            $("#NewAdd").dialog("close");
                            history.go(0);
                        }
                    },
                    "取消": function () {
//                        window.location.reload(true)
                        $("#NewAdd").dialog("close");
                        
                    }
                }
            });
        });
//----------------------单击新增事件------------------