$(".datagrid-cell").click(function () {
                var sort = $(this).parent("td").attr("field");
                var fileter = "TaskID,CarNum"; //过滤此字段不进行排序
                if (fileter.indexOf(sort)>=0) { return false; };
                data = "";
                var isHave = false;
                var ascordesc = "asc";
                for (var i = 0; i < orderby.length; i++) {
                    if (orderby[i].sort == sort) {
                        if (orderby[i].order == "desc") { ascordesc = orderby[i].order = "asc" }
                        else if (orderby[i].order == "asc") { ascordesc = orderby[i].order = "desc" }
                        isHave = true;
                        break;
                    }
                }
                //如果不存在.....
                if (!isHave) {
                    orderby.push(new comefrom(sort, ascordesc));
                }
                var ficon = $(this).find(".datagrid-sort-icon");
                ficon.css("background", "url(\"images/datagrid_sort_" + ascordesc + ".gif\")  no-repeat center");
                ficon.css("padding", "2px 13px 3px 0px");
                $(this).addClass("datagrid-sort-" + ascordesc + "");

                for (var i = 0; i < orderby.length; i++) {
                    data += orderby[i].sort + "," + orderby[i].order + "|";
                }
                data = data.substr(0, data.length - 1);
                Search();
            });