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Class CDaoRecordset

作者：未知来源：月光软件站 加入时间：2005-2-28　月光软件站

Class CDaoRecordset

CObject
   |
   +--CDaoRecordset

in AFXDAO.H

class CDaoRecordset
extends CObject

CDaoRecordset - the result of a query or base table browse

Field Summary
`protected BOOL`	`m_bAppendable`
`BOOL`	`m_bCheckCacheForDirtyFields`
`protected BOOL`	`m_bDeleted`
`protected BOOL`	`m_bOpen`
`protected BOOL`	`m_bScrollable`
`DWORD`	`m_cbFixedLengthFields`
`DAOFETCHROWS`	`m_DaoFetchRows`
`protected int`	`m_nDefaultType`
`int`	`m_nFields`
`protected int`	`m_nOpenType`
`protected int`	`m_nOptions`
`int`	`m_nParams`
`protected int`	`m_nStatus`
`BYTE*`	`m_pbFieldFlags`
`BYTE*`	`m_pbParamFlags`
`DAOFields*`	`m_pDAOFields`
`DAOIndexes*`	`m_pDAOIndexes`
`DAORecordset*`	`m_pDAORecordset`
`CDaoDatabase*`	`m_pDatabase`
`ICDAORecordset*`	`m_pICDAORecordsetGetRows`
`CMapPtrToPtr*`	`m_pMapFieldCache`
`CMapPtrToPtr*`	`m_pMapFieldIndex`
`CDaoQueryDef*`	`m_pQueryDef`
`DAOCOLUMNBINDING*`	`m_prgDaoColBindInfo`
`CDaoTableDef*`	`m_pTableDef`
`DWORD*`	`m_pulColumnLengths`
`CString`	`m_strFilter`
`protected CString`	`m_strRequeryFilter`
`protected CString`	`m_strRequerySort`
`protected CString`	`m_strRequerySQL`
`CString`	`m_strSort`
`CString`	`m_strSQL`

Fields inherited from class CObject

classCObject

Constructor Summary
`CDaoRecordset( CDaoDatabase* pDatabase = NULL )`
`virtual ~CDaoRecordset()`

Method Summary
`virtual void`	`AddNew()`
`protected void`	`AllocCache()`
`protected void`	`AllocDatabase()`
`protected void`	`BindFields()`
`protected void`	`BindParameters()`
`protected void`	`BuildParameterList()`
`protected void`	`BuildSelectList()`
`protected void`	`BuildSQL()`
`BOOL`	`CanAppend() const`
`BOOL`	`CanBookmark()`
`virtual void`	`CancelUpdate()`
`BOOL`	`CanRestart()`
`BOOL`	`CanScroll() const`
`BOOL`	`CanTransact()`
`BOOL`	`CanUpdate() const`
`void`	`ClearDirtyFieldStatus( UINT nField )`
`void`	`ClearFieldStatusFlags()`
`void`	`ClearNullFieldStatus( UINT nField )`
`virtual void`	`Close()`
`virtual void`	`Delete()`
`virtual void`	`DoFieldExchange( CDaoFieldExchange* pFX )`
`virtual void`	`Edit()`
`void`	`FillCache( long* pSize = NULL, COleVariant* pBookmark = NULL )`
`virtual BOOL`	`Find( long lFindType, LPCTSTR lpszFilter )`
`BOOL`	`FindFirst( LPCTSTR lpszFilter )`
`BOOL`	`FindLast( LPCTSTR lpszFilter )`
`BOOL`	`FindNext( LPCTSTR lpszFilter )`
`BOOL`	`FindPrev( LPCTSTR lpszFilter )`
`protected void`	`Fixup()`
`protected void`	`FreeCache()`
`long`	`GetAbsolutePosition()`
`COleVariant`	`GetBookmark()`
`long`	`GetCacheSize()`
`COleVariant`	`GetCacheStart()`
`CString`	`GetCurrentIndex()`
`void`	`GetDataAndFixupNulls()`
`COleDateTime`	`GetDateCreated()`
`COleDateTime`	`GetDateLastUpdated()`
`virtual CString`	`GetDefaultDBName()`
`virtual CString`	`GetDefaultSQL()`
`short`	`GetEditMode()`
`short`	`GetFieldCount()`
`protected int`	`GetFieldIndex( void* pv )`
`void`	`GetFieldInfo( LPCTSTR lpszName, CDaoFieldInfo& fieldinfo, DWORD dwInfoOptions = 0x00000001 )`
`void`	`GetFieldInfo( int nIndex, CDaoFieldInfo& fieldinfo, DWORD dwInfoOptions = 0x00000001 )`
`DWORD`	`GetFieldLength( int nFieldIndex )`
`virtual void`	`GetFieldValue( LPCTSTR lpszName, COleVariant& varValue )`
`virtual void`	`GetFieldValue( int nIndex, COleVariant& varValue )`
`virtual COleVariant`	`GetFieldValue( LPCTSTR lpszName )`
`virtual COleVariant`	`GetFieldValue( int nIndex )`
`short`	`GetIndexCount()`
`void`	`GetIndexInfo( int nIndex, CDaoIndexInfo& indexinfo, DWORD dwInfoOptions = 0x00000001 )`
`void`	`GetIndexInfo( LPCTSTR lpszName, CDaoIndexInfo& indexinfo, DWORD dwInfoOptions = 0x00000001 )`
`COleVariant`	`GetLastModifiedBookmark()`
`BOOL`	`GetLockingMode()`
`CString`	`GetName()`
`virtual COleVariant`	`GetParamValue( LPCTSTR lpszName )`
`virtual COleVariant`	`GetParamValue( int nIndex )`
`float`	`GetPercentPosition()`
`long`	`GetRecordCount()`
`CString`	`GetSQL() const`
`short`	`GetType()`
`CString`	`GetValidationRule()`
`CString`	`GetValidationText()`
`protected void`	`InitFieldsCollection()`
`protected void`	`InitIndexesCollection()`
`BOOL`	`IsBOF() const`
`BOOL`	`IsDeleted() const`
`BOOL`	`IsEOF() const`
`BOOL`	`IsFieldDirty( void* pv )`
`BOOL`	`IsFieldNull( void* pv )`
`BOOL`	`IsFieldNullable( void* pv )`
`BOOL`	`IsFieldStatusDirty( UINT nField )`
`BOOL`	`IsFieldStatusNull( UINT nField )`
`BOOL`	`IsFieldStatusNullable( UINT nField )`
`BOOL`	`IsFieldStatusNullableKnown( UINT nField )`
`BOOL`	`IsMatch()`
`BOOL`	`IsOpen() const`
`protected void`	`LoadFields()`
`protected void`	`MarkForAddNew()`
`protected void`	`MarkForEdit()`
`virtual void`	`Move( long lRows )`
`void`	`MoveFirst()`
`void`	`MoveLast()`
`void`	`MoveNext()`
`void`	`MovePrev()`
`virtual void`	`Open( CDaoQueryDef* pQueryDef, int nOpenType = dbOpenDynaset, int nOptions = 0 )`
`virtual void`	`Open( int nOpenType =(-1 L ), LPCTSTR lpszSQL = NULL, int nOptions = 0 )`
`virtual void`	`Open( CDaoTableDef* pTableDef, int nOpenType = dbOpenTable, int nOptions = 0 )`
`virtual void`	`Requery()`
`BOOL`	`Seek( LPCTSTR lpszComparison, COleVariant* pKey1, COleVariant* pKey2 = NULL, COleVariant* pKey3 = NULL )`
`BOOL`	`Seek( LPCTSTR lpszComparison, COleVariant* pKeyArray, WORD nKeys )`
`void`	`SetAbsolutePosition( long lPosition )`
`void`	`SetBookmark( COleVariant varBookmark )`
`void`	`SetCacheSize( long lSize )`
`void`	`SetCacheStart( COleVariant varBookmark )`
`void`	`SetCurrentIndex( LPCTSTR lpszIndex )`
`void`	`SetCursorAttributes()`
`protected virtual void`	`SetDirtyFields()`
`void`	`SetDirtyFieldStatus( UINT nField )`
`void`	`SetFieldDirty( void* pv, BOOL bDirty = TRUE )`
`void`	`SetFieldNull( void* pv, BOOL bNull = TRUE )`
`virtual void`	`SetFieldValue( LPCTSTR lpszName, const COleVariant& varValue )`
`void`	`SetFieldValue( int nIndex, LPCTSTR lpszValue )`
`void`	`SetFieldValue( LPCTSTR lpszName, LPCTSTR lpszValue )`
`virtual void`	`SetFieldValue( int nIndex, const COleVariant& varValue )`
`void`	`SetFieldValueNull( int nIndex )`
`void`	`SetFieldValueNull( LPCTSTR lpszName )`
`void`	`SetLockingMode( BOOL bPessimistic )`
`void`	`SetNullableFieldStatus( UINT nField )`
`void`	`SetNullableKnownFieldStatus( UINT nField )`
`void`	`SetNullFieldStatus( UINT nField )`
`virtual void`	`SetParamValue( int nIndex, const COleVariant& varValue )`
`virtual void`	`SetParamValue( LPCTSTR lpszName, const COleVariant& varValue )`
`void`	`SetParamValueNull( LPCTSTR lpszName )`
`void`	`SetParamValueNull( int nIndex )`
`void`	`SetPercentPosition( float fPosition )`
`protected void`	`StoreFields()`
`static void AFX_CDECL`	`StripBrackets( LPCTSTR lpszSrc, LPTSTR lpszDest )`
`protected virtual void`	`ThrowDaoException( int nError = 0 )`
`virtual void`	`Update()`

Methods inherited from class CObject

GetRuntimeClass, new, new, delete, IsSerializable, IsKindOf, Serialize

Field Detail

m_bAppendable

protected BOOL m_bAppendable;

m_bCheckCacheForDirtyFields

public BOOL m_bCheckCacheForDirtyFields;

m_bDeleted

protected BOOL m_bDeleted;

m_bOpen

protected BOOL m_bOpen;

m_bScrollable

protected BOOL m_bScrollable;

m_cbFixedLengthFields

public DWORD m_cbFixedLengthFields;

m_DaoFetchRows

public DAOFETCHROWS m_DaoFetchRows;

m_nDefaultType

protected int m_nDefaultType;

m_nFields

public int m_nFields;

m_nOpenType

protected int m_nOpenType;

m_nOptions

protected int m_nOptions;

m_nParams

public int m_nParams;

m_nStatus

protected int m_nStatus;

m_pbFieldFlags

public BYTE* m_pbFieldFlags;

m_pbParamFlags

public BYTE* m_pbParamFlags;

m_pDAOFields

public DAOFields* m_pDAOFields;

m_pDAOIndexes

public DAOIndexes* m_pDAOIndexes;

m_pDAORecordset

public DAORecordset* m_pDAORecordset;

m_pDatabase

public CDaoDatabase* m_pDatabase;

m_pICDAORecordsetGetRows

public ICDAORecordset* m_pICDAORecordsetGetRows;

m_pMapFieldCache

public CMapPtrToPtr* m_pMapFieldCache;

m_pMapFieldIndex

public CMapPtrToPtr* m_pMapFieldIndex;

m_pQueryDef

public CDaoQueryDef* m_pQueryDef;

m_prgDaoColBindInfo

public DAOCOLUMNBINDING* m_prgDaoColBindInfo;

m_pTableDef

public CDaoTableDef* m_pTableDef;

m_pulColumnLengths

public DWORD* m_pulColumnLengths;

m_strFilter

public CString m_strFilter;

m_strRequeryFilter

protected CString m_strRequeryFilter;

m_strRequerySort

protected CString m_strRequerySort;

m_strRequerySQL

protected CString m_strRequerySQL;

m_strSort

public CString m_strSort;

m_strSQL

public CString m_strSQL;

Constructor Detail

CDaoRecordset

public CDaoRecordset( CDaoDatabase* pDatabase = NULL );

~CDaoRecordset

public virtual ~CDaoRecordset();

Method Detail

AddNew

public virtual void AddNew();

AllocCache

protected void AllocCache();

AllocDatabase

protected void AllocDatabase();

BindFields

protected void BindFields();

BindParameters

protected void BindParameters();

BuildParameterList

protected void BuildParameterList();

BuildSelectList

protected void BuildSelectList();

BuildSQL

protected void BuildSQL();

CanAppend

public BOOL CanAppend() const;

CanBookmark

public BOOL CanBookmark();

CancelUpdate

public virtual void CancelUpdate();

CanRestart

public BOOL CanRestart();

CanScroll

public BOOL CanScroll() const;

CanTransact

public BOOL CanTransact();

CanUpdate

public BOOL CanUpdate() const;

ClearDirtyFieldStatus

public void ClearDirtyFieldStatus( UINT nField );

ClearFieldStatusFlags

public void ClearFieldStatusFlags();

ClearNullFieldStatus

public void ClearNullFieldStatus( UINT nField );

Close

public virtual void Close();

Delete

public virtual void Delete();

DoFieldExchange

public virtual void DoFieldExchange( CDaoFieldExchange* pFX );

Edit

public virtual void Edit();

FillCache

public void FillCache( long* pSize = NULL, COleVariant* pBookmark = NULL );

Find

public virtual BOOL Find( long lFindType, LPCTSTR lpszFilter );

FindFirst

public BOOL FindFirst( LPCTSTR lpszFilter );

FindLast

public BOOL FindLast( LPCTSTR lpszFilter );

FindNext

public BOOL FindNext( LPCTSTR lpszFilter );

FindPrev

public BOOL FindPrev( LPCTSTR lpszFilter );

Fixup

protected void Fixup();

FreeCache

protected void FreeCache();

GetAbsolutePosition

public long GetAbsolutePosition();

GetBookmark

public COleVariant GetBookmark();

GetCacheSize

public long GetCacheSize();

GetCacheStart

public COleVariant GetCacheStart();

GetCurrentIndex

public CString GetCurrentIndex();

GetDataAndFixupNulls

public void GetDataAndFixupNulls();

GetDateCreated

public COleDateTime GetDateCreated();

GetDateLastUpdated

public COleDateTime GetDateLastUpdated();

GetDefaultDBName

public virtual CString GetDefaultDBName();

GetDefaultSQL

public virtual CString GetDefaultSQL();

GetEditMode

public short GetEditMode();

GetFieldCount

public short GetFieldCount();

GetFieldIndex

protected int GetFieldIndex( void* pv );

GetFieldInfo

public void GetFieldInfo( LPCTSTR lpszName, CDaoFieldInfo& fieldinfo, DWORD dwInfoOptions = 0x00000001 );

GetFieldInfo

public void GetFieldInfo( int nIndex, CDaoFieldInfo& fieldinfo, DWORD dwInfoOptions = 0x00000001 );

GetFieldLength

public DWORD GetFieldLength( int nFieldIndex );

GetFieldValue

public virtual void GetFieldValue( LPCTSTR lpszName, COleVariant& varValue );

GetFieldValue

public virtual void GetFieldValue( int nIndex, COleVariant& varValue );

GetFieldValue

public virtual COleVariant GetFieldValue( LPCTSTR lpszName );

GetFieldValue

public virtual COleVariant GetFieldValue( int nIndex );

GetIndexCount

public short GetIndexCount();

GetIndexInfo

public void GetIndexInfo( int nIndex, CDaoIndexInfo& indexinfo, DWORD dwInfoOptions = 0x00000001 );

GetIndexInfo

public void GetIndexInfo( LPCTSTR lpszName, CDaoIndexInfo& indexinfo, DWORD dwInfoOptions = 0x00000001 );

GetLastModifiedBookmark

public COleVariant GetLastModifiedBookmark();

GetLockingMode

public BOOL GetLockingMode();

GetName

public CString GetName();

GetParamValue

public virtual COleVariant GetParamValue( LPCTSTR lpszName );

GetParamValue

public virtual COleVariant GetParamValue( int nIndex );

GetPercentPosition

public float GetPercentPosition();

GetRecordCount

public long GetRecordCount();

GetSQL

public CString GetSQL() const;

GetType

public short GetType();

GetValidationRule

public CString GetValidationRule();

GetValidationText

public CString GetValidationText();

InitFieldsCollection

protected void InitFieldsCollection();

InitIndexesCollection

protected void InitIndexesCollection();

IsBOF

public BOOL IsBOF() const;

IsDeleted

public BOOL IsDeleted() const;

IsEOF

public BOOL IsEOF() const;

IsFieldDirty

public BOOL IsFieldDirty( void* pv );

IsFieldNull

public BOOL IsFieldNull( void* pv );

IsFieldNullable

public BOOL IsFieldNullable( void* pv );

IsFieldStatusDirty

public BOOL IsFieldStatusDirty( UINT nField );

IsFieldStatusNull

public BOOL IsFieldStatusNull( UINT nField );

IsFieldStatusNullable

public BOOL IsFieldStatusNullable( UINT nField );

IsFieldStatusNullableKnown

public BOOL IsFieldStatusNullableKnown( UINT nField );

IsMatch

public BOOL IsMatch();

IsOpen

public BOOL IsOpen() const;

LoadFields

protected void LoadFields();

MarkForAddNew

protected void MarkForAddNew();

MarkForEdit

protected void MarkForEdit();

Move

public virtual void Move( long lRows );

MoveFirst

public void MoveFirst();

MoveLast

public void MoveLast();

MoveNext

public void MoveNext();

MovePrev

public void MovePrev();

Open

public virtual void Open( CDaoQueryDef* pQueryDef, int nOpenType = dbOpenDynaset, int nOptions = 0 );

Open

public virtual void Open( int nOpenType =(-1 L ), LPCTSTR lpszSQL = NULL, int nOptions = 0 );

Open

public virtual void Open( CDaoTableDef* pTableDef, int nOpenType = dbOpenTable, int nOptions = 0 );

Requery

public virtual void Requery();

Seek

public BOOL Seek( LPCTSTR lpszComparison, COleVariant* pKey1, COleVariant* pKey2 = NULL, COleVariant* pKey3 = NULL );

Seek

public BOOL Seek( LPCTSTR lpszComparison, COleVariant* pKeyArray, WORD nKeys );

SetAbsolutePosition

public void SetAbsolutePosition( long lPosition );

SetBookmark

public void SetBookmark( COleVariant varBookmark );

SetCacheSize

public void SetCacheSize( long lSize );

SetCacheStart

public void SetCacheStart( COleVariant varBookmark );

SetCurrentIndex

public void SetCurrentIndex( LPCTSTR lpszIndex );

SetCursorAttributes

public void SetCursorAttributes();

SetDirtyFields

protected virtual void SetDirtyFields();

SetDirtyFieldStatus

public void SetDirtyFieldStatus( UINT nField );

SetFieldDirty

public void SetFieldDirty( void* pv, BOOL bDirty = TRUE );

SetFieldNull

public void SetFieldNull( void* pv, BOOL bNull = TRUE );

SetFieldValue

public virtual void SetFieldValue( LPCTSTR lpszName, const COleVariant& varValue );

SetFieldValue

public void SetFieldValue( int nIndex, LPCTSTR lpszValue );

SetFieldValue

public void SetFieldValue( LPCTSTR lpszName, LPCTSTR lpszValue );

SetFieldValue

public virtual void SetFieldValue( int nIndex, const COleVariant& varValue );

SetFieldValueNull

public void SetFieldValueNull( int nIndex );

SetFieldValueNull

public void SetFieldValueNull( LPCTSTR lpszName );

SetLockingMode

public void SetLockingMode( BOOL bPessimistic );

SetNullableFieldStatus

public void SetNullableFieldStatus( UINT nField );

SetNullableKnownFieldStatus

public void SetNullableKnownFieldStatus( UINT nField );

SetNullFieldStatus

public void SetNullFieldStatus( UINT nField );

SetParamValue

public virtual void SetParamValue( int nIndex, const COleVariant& varValue );

SetParamValue

public virtual void SetParamValue( LPCTSTR lpszName, const COleVariant& varValue );

SetParamValueNull

public void SetParamValueNull( LPCTSTR lpszName );

SetParamValueNull

public void SetParamValueNull( int nIndex );

SetPercentPosition

public void SetPercentPosition( float fPosition );

StoreFields

protected void StoreFields();

StripBrackets

public static void AFX_CDECL StripBrackets( LPCTSTR lpszSrc, LPTSTR lpszDest );

ThrowDaoException

protected virtual void ThrowDaoException( int nError = 0 );

Update

public virtual void Update();

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