public string UpdateInvoiceAndPayment(string invoiceNo, DateTime invoiceDate, DateTime date, List <InvoiceDetailViewModel> invoiceDetail, List <PaymentDetailViewModel> paymentDetail)
{
PaymentProvider payment = new PaymentProvider(ctx);
InvoiceHeader invoice = ctx.InvoiceHeaders.SingleOrDefault(inv => inv.InvoiceNo == invoiceNo);
invoice.Date = invoiceDate;
string paymentNo = String.Empty;
if (invoice != null)
{
ctx.InvoiceDetails.DeleteAllOnSubmit(invoice.InvoiceDetails.AsEnumerable());
foreach (var model in invoiceDetail)
{
InvoiceDetail d = new InvoiceDetail();
d.InvoiceID = invoice.ID;
d.ItemID = model.ItemID;
d.Quantity = model.Quantity;
d.UnitPrice = model.UnitPrice;
d.Discount = model.Discount;
d.IsTaxable = model.IsTaxable;
invoice.InvoiceDetails.Add(d);
ctx.InvoiceDetails.InsertOnSubmit(d);
}
paymentNo = payment.Create(date, invoiceNo, paymentDetail);
ctx.SubmitChanges();
}
return(paymentNo);
}
