public static void Update(receipt new_receipt, long receipt_id)
{
var receipt = SelectById(receipt_id);
if (receipt != null)
{
receipt.payment_date = new_receipt.payment_date;
receipt.amount = new_receipt.amount;
receipt.discount = new_receipt.discount;
receipt.paid = new_receipt.paid;
context.SaveChanges();
}
}
public static void Insert(receipt receipt)
{
context.receipts.Add(receipt);
context.SaveChanges();
}