public void ProcessRequest(HttpContext context)
        {
            int pageIndex = 1, pageSize = 10;
            string orderStr = string.Empty, whereStr = string.Empty;

            int payApplyId = 0;
            if (string.IsNullOrEmpty(context.Request.QueryString["id"]) || !int.TryParse(context.Request.QueryString["id"], out payApplyId))
                payApplyId = 0;

            if (!string.IsNullOrEmpty(context.Request.QueryString["pagenum"]))
                int.TryParse(context.Request.QueryString["pagenum"], out pageIndex);
            pageIndex++;
            if (!string.IsNullOrEmpty(context.Request.QueryString["pagesize"]))
                int.TryParse(context.Request.QueryString["pagesize"], out pageSize);

            if (!string.IsNullOrEmpty(context.Request.QueryString["sortdatafield"]) && !string.IsNullOrEmpty(context.Request.QueryString["sortorder"]))
            {
                string sortDataField = context.Request.QueryString["sortdatafield"].Trim();
                string sortOrder = context.Request.QueryString["sortorder"].Trim();

                switch (sortDataField)
                {
                    case "PaymentId":
                        sortDataField = "p.PaymentId";
                        break;
                    case "PayDatetime":
                        sortDataField = "p.PayDatetime";
                        break;
                    case "FundsPayBala":
                        sortDataField = "p.FundsPayBala";
                        break;
                    case "VirtualBala":
                        sortDataField = "pv.PayBala";
                        break;
                    case "CurrencyName":
                        sortDataField = "cur.CurrencyName";
                        break;
                    case "CorpName":
                        sortDataField = "corp.CorpName";
                        break;
                    case "BankName":
                        sortDataField = "bank.BankName";
                        break;
                    case "AccountNo":
                        sortDataField = "ba.AccountNo";
                        break;
                    case "DetailName":
                        sortDataField = "bdPayMode.DetailName";
                        break;
                }
                orderStr = string.Format("{0} {1}", sortDataField, sortOrder);
            }

            NFMT.Funds.BLL.PaymentBLL bll = new NFMT.Funds.BLL.PaymentBLL();
            NFMT.Common.UserModel user = Utility.UserUtility.CurrentUser;
            NFMT.Common.SelectModel select = bll.GetPayReportSelect(pageIndex, pageSize, orderStr, payApplyId);
            NFMT.Common.ResultModel result = bll.Load(user, select);

            context.Response.ContentType = "text/plain";
            if (result.ResultStatus != 0)
            {
                context.Response.Write(result.Message);
                context.Response.End();
            }

            int totalRows = result.AffectCount;
            System.Data.DataTable dt = result.ReturnValue as System.Data.DataTable;
            Dictionary<string, object> dic = new Dictionary<string, object>();

            dic.Add("count", totalRows);
            dic.Add("data", dt);

            string postData = Newtonsoft.Json.JsonConvert.SerializeObject(dic, new Newtonsoft.Json.Converters.DataTableConverter());

            context.Response.Write(postData);
        }