public JsonResult GetAmount(string id)
        {
            Getamtclass ob = new Getamtclass();

            int jobid = (from j in db.JobGenerations where j.JobCode == id select j.JobID).FirstOrDefault();

            int invid = (from c in db.JInvoices where c.JobID == jobid select c.InvoiceID).FirstOrDefault();

            decimal invamt = (from c in db.JInvoices where c.InvoiceID == invid select c.SalesHome).FirstOrDefault().Value;

            decimal recamt = (from r in db.RecPayDetails where r.InvoiceID == invid select r.Amount).FirstOrDefault().Value;


            ob.invoiceamt = invamt;
            ob.recamt     = recamt;



            return(Json(ob, JsonRequestBehavior.AllowGet));
        }
        public JsonResult GetAmountByinvono(int invno, bool IsTrading)
        {
            Getamtclass ob = new Getamtclass();

            ob.invoiceamt = 0;
            ob.recamt     = 0;
            if (IsTrading == false)
            {
                //int jobid = (from j in db.JobGenerations where j.JobCode == invno select j.JobID).FirstOrDefault();

                //int invid = (from c in db.JInvoices where c.JobID == jobid select c.InvoiceID).FirstOrDefault();

                //decimal invamt = (from c in db.JInvoices where c.InvoiceID == invid select c.SalesHome).FirstOrDefault().Value;

                //decimal recamt = (from r in db.RecPayDetails where r.InvoiceID == invid select r.Amount).FirstOrDefault().Value;


                //ob.invoiceamt = invamt;
                //ob.recamt = recamt;
            }
            else
            {
                var         sinvoice    = (from d in db.CustomerInvoices where d.CustomerInvoiceID == invno select d).FirstOrDefault();
                var         sinDetails  = (from c in db.CustomerInvoiceDetails where c.CustomerInvoiceID == sinvoice.CustomerInvoiceID select c).ToList();
                List <int?> pinvoiceids = sinDetails.Select(d => (int?)d.CustomerInvoiceDetailID).ToList();
                ob.invoiceamt = Convert.ToDecimal(sinDetails.Sum(d => d.NetValue));
                var recpay = (from x in db.RecPayDetails where pinvoiceids.Contains(x.InvoiceID) select x).ToList();

                if (recpay.Count > 0)
                {
                    ob.recamt = Convert.ToDecimal(Math.Abs(recpay.Sum(s => s.Amount.Value)));
                }
            }


            return(Json(ob, JsonRequestBehavior.AllowGet));
        }