ช่วยหน่อยมีปัญหาเรื่อง Pass MD5 และ Colunm เป็น varbinary(16) null

USE [master]
GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[XP_MD5_EncodeKeyVal]') and OBJECTPROPERTY(id, N'IsExtendedProc') = 1)
exec sp_dropextendedproc N'[dbo].[XP_MD5_EncodeKeyVal]'
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS OFF
GO
exec sp_addextendedproc N'XP_MD5_EncodeKeyVal', N'WZ_MD5_MOD.dll'
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[XP_MD5_CheckValue]') and OBJECTPROPERTY(id, N'IsExtendedProc') = 1)
exec sp_dropextendedproc N'[dbo].[XP_MD5_CheckValue]'
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS OFF
GO
exec sp_addextendedproc N'XP_MD5_CheckValue', N'WZ_MD5_MOD.dll'
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO
USE [TEST01]
GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[SP_MD5_ENCODE_VALUE]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)
drop procedure [dbo].[SP_MD5_ENCODE_VALUE]
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS OFF
GO


CREATE PROCEDURE SP_MD5_ENCODE_VALUE (@btInStr VARCHAR(10), @btInStrIndex VARCHAR(10))

AS  
BEGIN
        DECLARE        @btOutVal        BINARY(16)
        EXEC master..XP_MD5_EncodeKeyVal @btInStr, @btInStrIndex, @btOutVal OUT
        UPDATE MEMB_INFO SET Pass = @btOutVal WHERE account = @btInStrIndex
        RETURN         @btOutVal
END
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO