IE8 ajax get不了json

        //分行

        function getParentTjData(province, $this) {

            $.ajax({

                url: "ReportData.aspx?action=GetParentTjData&day=7&province=" + province + "&type=0&startdate=&enddate=",

                type: "get",

                dataType: "JSON",

                async: false,

                success: function (data) {

                    var html = '';

                    if (data != null) {

                        for (var i in data.Table) {

                            html += "<tr id=\"" + data.Table[i].ID + "\" pid=\"" + province + "\">"

                                + "<td>" + (i + 1) + "</td><td><div class=\"branch-name fh\" ><a href=\"javascript:void(0);\"  onclick=\"getMainFruitTjDataData(" + data.Table[i].ID + ",'" + province + "',$(this))\"  class=\"open\">      " + data.Table[i].DeptName + "</a></div></td>"

                                + "<td><a href=\"ArticleStatisticInfo.aspx?province=&deptid=" + data.Table[i].ID + "\" target=\"_blank\">查看</a></td><td>" + data.Table[i].NewArticles + "</td><td>" + data.Table[i].ViewCount + "</td><td>" + data.Table[i].UserTotal + "</td>"

                                + "</tr>";

                        }

                    }



                    $("#treeTable1").find('tr[pid="' + province + '"]').remove();

                    $("#treeTable1").find('tr[id="' + province + '"]').after(html);

                }

            });



      

        }