public void MakeValues()     
{
Model.ReceivablesInfo info = new Model.ReceivablesInfo();
        info.AID = Request.QueryString["aid"].ToString();
        DAL.ReceivablesDAL dal = new DAL.ReceivablesDAL();
        info = dal.QueryByPK(info);
        UnpaidSum.Text = DAL.Person.GetNotPay(info.AOrderID);//绑定的未收
        txt_aReceivableNo.Text = info.aReceivableNo.ToString();//绑定收款单号
        aOrderID.Text = info.AOrderID;//销售单号
        aRealSum.Text = info.ARealSum.ToString();//实收金额
        aReceivablesDate.Text = info.AReceivablesDate;//收款日期
        aRemarks.Text = info.ARemarks;//备注
        aShouldSum.Text = info.AShouldSum.ToString();//应付金额
        //会计科目
        (aMaker.FindControl("TextBox1") as TextBox).Text = info.AMaker;
        (aCustomer.FindControl("TextBox1") as TextBox).Text = info.ACustomer;
        (aCustomer.FindControl("Label1") as Label).Text = info.ACustomerID;
}

    /// <summary>
    /// 得到未收款
    /// </summary>
    /// <param name="str">销售订单号</param>
    /// <returns>未收金额</returns>
    static public string GetNotPay(string str)
    {
        if(str.Trim().Length==0)
        {
            return "0";
        }

        //货物列表
        OutputDepotSonDAL sdal = new OutputDepotSonDAL();
        List<OutputDepotSonInfo> slist = new List<OutputDepotSonInfo>();

        //收款单
        ReceivablesDAL rdal = new ReceivablesDAL();
        List<ReceivablesInfo> rlist = new List<ReceivablesInfo>();

        //回款
        GoodsBackPayDAL gdal = new GoodsBackPayDAL();
        List<GoodsBackPayInfo> glist = new List<GoodsBackPayInfo>();

        double sellsum = 0.0;//收款总额
        slist = sdal.QueryByKeyWord().Where(s=>s.AOrderID==str).ToList();
        foreach (OutputDepotSonInfo item in slist)
        {
            double a = double.Parse(item.AAmount);
            double r = double.Parse(item.AISReturn);
            double p = double.Parse(item.ARealPrice);
            sellsum += (a - r) * p;
        }

        double recesum = 0.0;//收款单总额
        rlist = rdal.QueryByKeyWord().Where(s => s.AOrderID == str).ToList();
        foreach (ReceivablesInfo item in rlist)
        {
            recesum += (double)(item.ARealSum);
        }

        double bcsum = 0.0;//回款记录总额
        glist = gdal.QueryByKeyWord();
        List<GoodsBackPayInfo> blist = new List<GoodsBackPayInfo>();
        foreach (OutputDepotSonInfo item in slist)
        {
            foreach (GoodsBackPayInfo good in glist)
            {
                if (good.Aid==item.AID)
                {
                    blist.Add(good);
                }
            }
        }
        foreach (GoodsBackPayInfo good in blist)
        {
            bcsum += double.Parse(good.ARealSum);
        }

        return (sellsum - recesum - bcsum).ToString();
    }