public void Update(int GenPurchaseID, int?SupplierID, string InvoiceNo, DateTime?InvDate, int?CodeID, decimal?Amount, decimal?VATAmount, DateTime?DatePassed, int?PassedBy, int?ReChargeInvNo, string Remarks, byte[] Ts)
{
GeneralPurchasesTable item = new GeneralPurchasesTable();
item.MarkOld();
item.IsLoaded = true;
item.GenPurchaseID = GenPurchaseID;
item.SupplierID = SupplierID;
item.InvoiceNo = InvoiceNo;
item.InvDate = InvDate;
item.CodeID = CodeID;
item.Amount = Amount;
item.VATAmount = VATAmount;
item.DatePassed = DatePassed;
item.PassedBy = PassedBy;
item.ReChargeInvNo = ReChargeInvNo;
item.Remarks = Remarks;
item.Ts = Ts;
item.Save(UserName);
}