記一次ajax與webservices傳值的功能

var parms = { ZBID: "" };
            parms.ZBID = obj[1];
            var bags = "0";
            $.ajax({
                type: "POST",
                async: false,
                url: "YJKHHandler.asmx/GETZBMBZ",
                data: parms,
                dataType: "json",
                success: function (res) {
                    bags = res;
                },
                error: function (err) {
                    alert(err.responseText);
                },
                //調用完成後隱藏等待
                complete: function (XMLHttpRequest, textStatus) {
                }
            });

            if (bags != "0" && bags != "") {
                var x = bags.split(',');
                var ZBZ = x[0];
                var MBZ = x[1];

                var vTb = document.all("GridView1");
                var viItemIndex = Number(document.all("txtIndex").value);
                vTb.rows[viItemIndex].cells[2].children[0].value = ZBZ;
                vTb.rows[viItemIndex].cells[3].children[0].value = MBZ;
            }

[WebMethod(EnableSession = true)]
        public void GETZBMBZ()
        {
            string res = "";
            HttpContext context = HttpContext.Current;
            context.Request.ContentEncoding = Encoding.GetEncoding("UTF-8");
            context.Response.ContentEncoding = Encoding.GetEncoding("UTF-8");
            string zbID = context.Request["ZBID"].ToString();

            string sql = string.Format("SELECT ZBSJ_ZBZ, ZBSJ_MBZ FROM JGKHZBSJ JOIN JGKHJXZB ON JXZB_QSGS=ZBSJ_ZB WHERE JXZB_ID='{0}'", zbID);
            DataSet ds = new DataSet();
            DBFunction.QueryBySql(sql, out ds);
            if (ds != null && ds.Tables.Count > 0 && ds.Tables[0].Rows.Count > 0)
            {
                res = ds.Tables[0].Rows[0][0].ToString() + "," + ds.Tables[0].Rows[0][1].ToString();
            }

            context.Response.Write(JsonConvert.SerializeObject(res));

        }