public void SelectJson(NFMT.Invoice.Model.BusinessInvoice businessInvoice , NFMT.Invoice.InvoiceDirectionEnum direction)
        {
            int pageIndex = 1, pageSize = 100;
            string orderStr = string.Empty, whereStr = string.Empty;

            NFMT.Common.UserModel user = Utility.UserUtility.CurrentUser;
            NFMT.Common.SelectModel select = new NFMT.Common.SelectModel();
            NFMT.Invoice.BLL.BusinessInvoiceBLL bll = new NFMT.Invoice.BLL.BusinessInvoiceBLL();

            select = bll.GetDirectFinalContractStockListSelect(pageIndex, pageSize, orderStr, businessInvoice.SubContractId, businessInvoice.BusinessInvoiceId, false, false);
            NFMT.Common.ResultModel result = bll.Load(user, select, NFMT.Common.DefaultValue.ClearAuth);
            System.Data.DataTable dt = result.ReturnValue as System.Data.DataTable;
            this.SubJson = Newtonsoft.Json.JsonConvert.SerializeObject(dt, new Newtonsoft.Json.Converters.DataTableConverter());

            select = bll.GetDirectFinalContractStockListSelect(pageIndex, pageSize, orderStr, businessInvoice.SubContractId, businessInvoice.BusinessInvoiceId, false, true);
            result = bll.Load(user, select, NFMT.Common.DefaultValue.ClearAuth);
            dt = result.ReturnValue as System.Data.DataTable;
            this.InvJson = Newtonsoft.Json.JsonConvert.SerializeObject(dt, new Newtonsoft.Json.Converters.DataTableConverter());
        }