//////////////////////////////////////////////////////////////////////////////
//文件 RecordsetDynamicBind.h
//主要功能: 
//
//程序编写:		2005-12-07
/////////////////////////////////////////////////////////////////////////////

#pragma once
#include "afxdb.h"


namespace NOperatorDB
{

class CRecordsetDynamicBind :
	public CRecordset
{
	DECLARE_DYNAMIC(CRecordsetDynamicBind)

public:
	CRecordsetDynamicBind(CDatabase* pDatabase = NULL);
	~CRecordsetDynamicBind(void);

	//增加一个动态绑定的域名,这些函数必须在调用Open之前Close状态下使用
	void SetDefaultConnect(LPCTSTR lpszConnect);
	void SetTableName(LPCTSTR lpszTableName);
	BOOL AddBindField(LPCTSTR lpszFieldName, int nFieldType);

	void SetFieldValue(int nIndex, CString strValue);
	CString GetFieldValue(int nIndex);

	ULONGLONG SetLongBinaryFieldValue(int nIndex, CString strFileName);	//返回文件长度
	BOOL GetLongBinaryFieldValue(int nIndex, CString strFileName);

	BOOL RemoveBindField(CString strFieldName);
	BOOL RemoveBindField(int nIndex);
	void RemoveAllField(void);

	static bool IsLongBinaryField(int nFieldType);

protected:
	class CField
	{
	public:
		CField() {nType=0; name=_T("");}
		int nType;
		CString name;
	};
	CPtrArray m_ptrFieldName;
	CPtrArray m_ptrFieldValue;

	CString m_strTableName;
	CString m_strConnect;

	void ToDateTime(CString& strValue, CTime& time);

// Implementation
protected:
	virtual CString GetDefaultConnect();    // Default connection string
	virtual CString GetDefaultSQL();    // default SQL for Recordset
	virtual void DoFieldExchange(CFieldExchange* pFX);  // RFX support
};

};

using namespace NOperatorDB;