Open Bill by BillID

Fixed discount bill in Checkout
Fixed Management module (maybe)

Tanshu.Accounts.Contracts/DAOFactory/ManagementDAO.cs

@@ -7,7 +7,7 @@ namespace Tanshu.Accounts.DAOFactory
     public interface IManagementDAO : IDisposable
     {
         decimal GetBalance(decimal? tax);
-        List<Guid> GetUpdateBillList(decimal tax, bool voided, bool paid, bool creditCard);
+        List<Guid> GetUpdateBillList(decimal tax);
         decimal Update(Guid voucherID, decimal tax);
 
         List<PendingBillsBO> GetPaidBills();

Tanshu.Accounts.Contracts/DAOFactory/SaleVoucherDAO.cs

@@ -11,5 +11,6 @@ namespace Tanshu.Accounts.DAOFactory
         void SetAlarm(Guid voucherID, DateTime? alarmTime);
         void VoidBill(Guid voucherID, string reason);
         SaleVoucherBO GetVoucherSale(Guid voucherID);
+        SaleVoucherBO GetVoucherSale(string billID);
     }
 }