为了能方便地对数据库进行操作,我建立了一个基于ASP的数据库类。用来封装与数据库相关的常用操作，如连接数据库，关闭数据库连接，获取一个查询记录，或者执行指定的SQL语句等。
<!--#include file="adovbs.inc"-->
<%
'
' Author: Jeff Tian, admin@myfootprints.cn
'
'#* Using ../inc/adovbs.inc *#
Class CError
Public Number
Public Description
Public Source
Public Sub CopyErrorObject(oErr)
Number = oErr.number
Description = oErr.Description
Source = oErr.Source
End Sub
End Class
Class CDatabase
' 数据库连接对象
Public oConn
' 数据集对象
Public oRS
' 错误对象，用来记录最近的一次错误
Public oError
Private Sub Class_Initialize()
Set oConn = CreateObject("ADODB.Connection")
Set oRS = CreateObject("ADODB.Recordset")
Set oError = New CError
End Sub
Private Sub Class_Terminate()
CloseRecordset
Disconnect
Set oConn = Nothing
Set oRS = Nothing
Set oError = Nothing
End Sub
'
' 获取数据集对象的记录数
'
Public Property Get RecordCount()
If Me.oRS.State > 0 Then
RecordCount = Me.oRS.RecordCount
Else
RecordCount = 0
End If
End Property
'
' 将游标回到记录集的第一行
'
Public Sub MoveFirst()
If Me.oRS.State > 0 Then
If Me.oRS.RecordCount > 0 Then
Me.oRS.MoveFirst
End If
End If
End Sub
'
' 获取连接SQL Server数据库的字符串
'
Public Function GetConnectionString2SQLServer(ByVal sIP, ByVal sUID, ByVal sPwd, ByVal sDB)
GetConnectionString2SQLServer = "Driver={SQL Server};Server=" & sIP & ";UID=" & sUID & ";PWD=" & sPWD & ";database=" & sDB & ";"
End Function
'
' Get base connection string syntax.
'
Public Function GetBaseConnectionString2SQLServer(ByVal sIP, ByVal sDB)
GetBaseConnectionString2SQLServer = "Provider=SQLOLEDB;" & _
"Data Source=" & sIP & ";" & _
"Initial Catalog=" & sDB & ";"
End Function
'
' Get standard security connection string
'
Public Function GetStandardSecurityConnectionString2SQLServer(ByVal sIP, ByVal sUID, ByVal sPwd, ByVal sDB)
GetStandardSecurityConnectionString2SQLServer = "Provider=SQLOLEDB;" & _
"Data Source=" & sIP & ";" & _
"Initial Catalog=" & sDB & ";" & _
"User ID=" & sUID & ";" & _
"Password=" & sPwd & ";"
End Function
'
' Get Windows integrated security connection string
'
Public Function GetWindowsIntegratedSecurityConnectionString2SQLServer(ByVal sIP, ByVal sDB)
GetWindowsIntegratedSecurityConnectionString2SQLServer = "Provider=SQLOLEDB;" & _
"Data Source=" & sIP & ";" & _
"Initial Catalog=" & sDB & ":" & _
"Integrated Security=SSIP"
End Function
'
' Get an ADO connection string to Access database.
'
Public Function GetADOConnectionString2Access(ByVal sDBPath, ByVal sUID, ByVal sPwd)
GetADOConnectionString2Access = "Provider=Microsoft.Jet.OLEDB.4.0;" & _
"Data Source=" & sDBPath & ";" & _
"User ID=" & sUID & ";" & _
"Password=" & sPwd & ";"
End Function
'
' Get an ADO Connection String to an Excel workbook
'
Public Function GetADOConnectionString2Excel(ByVal sDBPath)
GetADOConnectionString2Excel = "Provider=Microsoft.Jet.OLEDB.4.0;" & _
"Data Source=" & sDBPath & ";" & _
"Extended Properties=""Excel 8.0;HDR=YES"";"
End Function
'
' Get an DBQ Connection String to an MSAccess
'
Public Function GetDBQConnectionString2Access(ByVal sDBPath, ByVal sUID, ByVal sPwd)
GetDBQConnectionString2Access = "Driver={Microsoft Access Driver (*.mdb)};Dbq=" & sDBPath & ";Uid=" & sUID & ";Pwd=" & sPwd & ";"
End Function
'
' Connect to Access
'
Public Function Connect2Access(ByVal sDBPath, ByVal sUID, ByVal sPwd)
Const sSOURCE = "Connect2Acess()"
On Error Resume Next
' 如果不是关闭状态，则先关闭它
If oConn.State <> adStateClosed Then
Me.Disconnect
End If
Me.oConn.Open GetDBQConnectionString2Access(sDBPath, sUID, sPwd)
'ErrorExit:
Connect2Access = oConn.State
Exit Function
End Function
'
' 连接到SQL Server
'
Public Function Connect2SQLServer(ByVal sIP, ByVal sUID, ByVal sPwd, ByVal sDB)
Const sSOURCE = "Connect2SQLServer()"
'On Error Resume Next
' 如果不是关闭状态，则先关闭
If oConn.State <> adStateClosed Then
Me.Disconnect
End If
oConn.Open GetConnectionString2SQLServer(sIP, sUID, sPwd, sDB)
ErrorExit:
' 将数据库连接对象的状态值作为返回值
Connect2SQLServer = oConn.State
Exit Function
End Function
'
' 从当前SQL Server连接断开
'
Public Function Disconnect()
If oConn.State <> adStateClosed Then
oConn.Close
End If
Disconnect = oConn.State
End Function
'
' 执行查询
'
Public Function OpenRecordset(ByVal sSQL)
' 当数据集对象不是关闭状态时，先关闭
CloseRecordset
' 当数据库连接对象是关闭状态时，不能打开
If oConn.State = adStateClosed Then
OpenRecordset = oConn.State
Exit Function
End If
On Error Resume Next
oRS.Open sSQL, oConn, AdOpenKeyset, AdLockReadOnly
If Err.number <> 0 Then
oError.CopyErrorObject Err
End If
On Error Goto 0
OpenRecordset = oRS.State
End Function
'
' 执行查询，不指定Cursor类型和Lock类型
'
Public Function OpenRecordsetWithoutCursorAndLockType(ByVal sSQL)
CloseRecordset
If oConn.State = adStateClosed Then
OpenRecordsetWithoutCursorAndLockType = oConn.State
Exit Function
End If
On Error Resume Next
oRS.Open sSQL, oConn
If Err.number <> 0 Then
oError.CopyErrorObject Err
End If
On Error Goto 0
OpenRecordsetWithoutCursorAndLockType = oRS.State
End Function
'
' HTML格式化错误信息
'
Public Function FormatError(oError)
dim sErr
sErr = "错误号： " & oError.Number
sErr = sErr & "错误描述： " & oError.Description
FormatError = sErr
End Function
'
' 执行指定的SQL语句
'
Public Function Execute(ByRef sSQL, ByRef lRecordsAffected)
If oConn.State = adStateClosed Then
Execute = Me.oConn.State
Exit Function
End If
On Error Resume Next
Set Me.oRS = Me.oConn.Execute(sSQL, lRecordsAffected)
If Err.number <> 0 Then
oError.CopyErrorObject Err
End If
On Error Goto 0
Execute = Me.oConn.State
Exit Function
End Function
'
' 关闭数据集
'
Public Function CloseRecordset()
If oRS.State <> adStateClosed Then
oRS.Close
End If
CloseRecordset = oRS.State
End Function
'
' 输出数据集
' 本想用回调函数，可是在VB里实现起来很困难
'
'Public Function OutputRecordset(ByVal CallBack, ByRef vDest)
' If orS.State = adStateClosed Then
' OutputRecordset = orS.State
' Exit Function
' Else
' CallBack orS, vDest
' End If
'End Function
End Class
%>
<%
'--------------------------------------------------------------------
' Microsoft ADO
'
' Copyright (c) 1996-1998 Microsoft Corporation.
'
'
'
' ADO constants include file for VBScript
'
'--------------------------------------------------------------------
'---- CursorTypeEnum Values ----
Const adOpenForwardOnly = 0
Const adOpenKeyset = 1
Const adOpenDynamic = 2
Const adOpenStatic = 3
'---- CursorOptionEnum Values ----
Const adHoldRecords = &H00000100
Const adMovePrevious = &H00000200
Const adAddNew = &H01000400
Const adDelete = &H01000800
Const adUpdate = &H01008000
Const adBookmark = &H00002000
Const adApproxPosition = &H00004000
Const adUpdateBatch = &H00010000
Const adResync = &H00020000
Const adNotify = &H00040000
Const adFind = &H00080000
Const adSeek = &H00400000
Const adIndex = &H00800000
'---- LockTypeEnum Values ----
Const adLockReadOnly = 1
Const adLockPessimistic = 2
Const adLockOptimistic = 3
Const adLockBatchOptimistic = 4
'---- ExecuteOptionEnum Values ----
Const adAsyncExecute = &H00000010
Const adAsyncFetch = &H00000020
Const adAsyncFetchNonBlocking = &H00000040
Const adExecuteNoRecords = &H00000080
Const adExecuteStream = &H00000400
'---- ConnectOptionEnum Values ----
Const adAsyncConnect = &H00000010
'---- ObjectStateEnum Values ----
Const adStateClosed = &H00000000
Const adStateOpen = &H00000001
Const adStateConnecting = &H00000002
Const adStateExecuting = &H00000004
Const adStateFetching = &H00000008
'---- CursorLocationEnum Values ----
Const adUseServer = 2
Const adUseClient = 3
'---- DataTypeEnum Values ----
Const adEmpty = 0
Const adTinyInt = 16
Const adSmallInt = 2
Const adInteger = 3
Const adBigInt = 20
Const adUnsignedTinyInt = 17
Const adUnsignedSmallInt = 18
Const adUnsignedInt = 19
Const adUnsignedBigInt = 21
Const adSingle = 4
Const adDouble = 5
Const adCurrency = 6
Const adDecimal = 14
Const adNumeric = 131
Const adBoolean = 11
Const adError = 10
Const adUserDefined = 132
Const adVariant = 12
Const adIDispatch = 9
Const adIUnknown = 13
Const adGUID = 72
Const adDate = 7
Const adDBDate = 133
Const adDBTime = 134
Const adDBTimeStamp = 135
Const adBSTR = 8
Const adChar = 129
Const adVarChar = 200
Const adLongVarChar = 201
Const adWChar = 130
Const adVarWChar = 202
Const adLongVarWChar = 203
Const adBinary = 128
Const adVarBinary = 204
Const adLongVarBinary = 205
Const adChapter = 136
Const adFileTime = 64
Const adPropVariant = 138
Const adVarNumeric = 139
Const adArray = &H2000
'---- FieldAttributeEnum Values ----
Const adFldMayDefer = &H00000002
Const adFldUpdatable = &H00000004
Const adFldUnknownUpdatable = &H00000008
Const adFldFixed = &H00000010
Const adFldIsNullable = &H00000020
Const adFldMayBeNull = &H00000040
Const adFldLong = &H00000080
Const adFldRowID = &H00000100
Const adFldRowVersion = &H00000200
Const adFldCacheDeferred = &H00001000
Const adFldIsChapter = &H00002000
Const adFldNegativeScale = &H00004000
Const adFldKeyColumn = &H00008000
Const adFldIsRowURL = &H00010000
Const adFldIsDefaultStream = &H00020000
Const adFldIsCollection = &H00040000
'---- EditModeEnum Values ----
Const adEditNone = &H0000
Const adEditInProgress = &H0001
Const adEditAdd = &H0002
Const adEditDelete = &H0004
'---- RecordStatusEnum Values ----
Const adRecOK = &H0000000
Const adRecNew = &H0000001
Const adRecModified = &H0000002
Const adRecDeleted = &H0000004
Const adRecUnmodified = &H0000008
Const adRecInvalid = &H0000010
Const adRecMultipleChanges = &H0000040
Const adRecPendingChanges = &H0000080
Const adRecCanceled = &H0000100
Const adRecCantRelease = &H0000400
Const adRecConcurrencyViolation = &H0000800
Const adRecIntegrityViolation = &H0001000
Const adRecMaxChangesExceeded = &H0002000
Const adRecObjectOpen = &H0004000
Const adRecOutOfMemory = &H0008000
Const adRecPermissionDenied = &H0010000
Const adRecSchemaViolation = &H0020000
Const adRecDBDeleted = &H0040000
'---- GetRowsOptionEnum Values ----
Const adGetRowsRest = -1
'---- PositionEnum Values ----
Const adPosUnknown = -1
Const adPosBOF = -2
Const adPosEOF = -3
'---- BookmarkEnum Values ----
Const adBookmarkCurrent = 0
Const adBookmarkFirst = 1
Const adBookmarkLast = 2
'---- MarshalOptionsEnum Values ----
Const adMarshalAll = 0
Const adMarshalModifiedOnly = 1
'---- AffectEnum Values ----
Const adAffectCurrent = 1
Const adAffectGroup = 2
Const adAffectAllChapters = 4
'---- ResyncEnum Values ----
Const adResyncUnderlyingValues = 1
Const adResyncAllValues = 2
'---- CompareEnum Values ----
Const adCompareLessThan = 0
Const adCompareEqual = 1
Const adCompareGreaterThan = 2
Const adCompareNotEqual = 3
Const adCompareNotComparable = 4
'---- FilterGroupEnum Values ----
Const adFilterNone = 0
Const adFilterPendingRecords = 1
Const adFilterAffectedRecords = 2
Const adFilterFetchedRecords = 3
Const adFilterConflictingRecords = 5
'---- SearchDirectionEnum Values ----
Const adSearchForward = 1
Const adSearchBackward = -1
'---- PersistFormatEnum Values ----
Const adPersistADTG = 0
Const adPersistXML = 1
'---- StringFormatEnum Values ----
Const adClipString = 2
'---- ConnectPromptEnum Values ----
Const adPromptAlways = 1
Const adPromptComplete = 2
Const adPromptCompleteRequired = 3
Const adPromptNever = 4
'---- ConnectModeEnum Values ----
Const adModeUnknown = 0
Const adModeRead = 1
Const adModeWrite = 2
Const adModeReadWrite = 3
Const adModeShareDenyRead = 4
Const adModeShareDenyWrite = 8
Const adModeShareExclusive = &Hc
Const adModeShareDenyNone = &H10
Const adModeRecursive = &H400000
'---- RecordCreateOptionsEnum Values ----
Const adCreateCollection = &H00002000
Const adCreateStructDoc = &H80000000
Const adCreateNonCollection = &H00000000
Const adOpenIfExists = &H02000000
Const adCreateOverwrite = &H04000000
Const adFailIfNotExists = -1
'---- RecordOpenOptionsEnum Values ----
Const adOpenRecordUnspecified = -1
Const adOpenOutput = &H00800000
Const adOpenAsync = &H00001000
Const adDelayFetchStream = &H00004000
Const adDelayFetchFields = &H00008000
Const adOpenExecuteCommand = &H00010000
'---- IsolationLevelEnum Values ----
Const adXactUnspecified = &Hffffffff
Const adXactChaos = &H00000010
Const adXactReadUncommitted = &H00000100
Const adXactBrowse = &H00000100
Const adXactCursorStability = &H00001000
Const adXactReadCommitted = &H00001000
Const adXactRepeatableRead = &H00010000
Const adXactSerializable = &H00100000
Const adXactIsolated = &H00100000
'---- XactAttributeEnum Values ----
Const adXactCommitRetaining = &H00020000
Const adXactAbortRetaining = &H00040000
'---- PropertyAttributesEnum Values ----
Const adPropNotSupported = &H0000
Const adPropRequired = &H0001
Const adPropOptional = &H0002
Const adPropRead = &H0200
Const adPropWrite = &H0400
'---- ErrorValueEnum Values ----
Const adErrProviderFailed = &Hbb8
Const adErrInvalidArgument = &Hbb9
Const adErrOpeningFile = &Hbba
Const adErrReadFile = &Hbbb
Const adErrWriteFile = &Hbbc
Const adErrNoCurrentRecord = &Hbcd
Const adErrIllegalOperation = &Hc93
Const adErrCantChangeProvider = &Hc94
Const adErrInTransaction = &Hcae
Const adErrFeatureNotAvailable = &Hcb3
Const adErrItemNotFound = &Hcc1
Const adErrObjectInCollection = &Hd27
Const adErrObjectNotSet = &Hd5c
Const adErrDataConversion = &Hd5d
Const adErrObjectClosed = &He78
Const adErrObjectOpen = &He79
Const adErrProviderNotFound = &He7a
Const adErrBoundToCommand = &He7b
Const adErrInvalidParamInfo = &He7c
Const adErrInvalidConnection = &He7d
Const adErrNotReentrant = &He7e
Const adErrStillExecuting = &He7f
Const adErrOperationCancelled = &He80
Const adErrStillConnecting = &He81
Const adErrInvalidTransaction = &He82
Const adErrUnsafeOperation = &He84
Const adwrnSecurityDialog = &He85
Const adwrnSecurityDialogHeader = &He86
Const adErrIntegrityViolation = &He87
Const adErrPermissionDenied = &He88
Const adErrDataOverflow = &He89
Const adErrSchemaViolation = &He8a
Const adErrSignMismatch = &He8b
Const adErrCantConvertvalue = &He8c
Const adErrCantCreate = &He8d
Const adErrColumnNotOnThisRow = &He8e
Const adErrURLIntegrViolSetColumns = &He8f
Const adErrURLDoesNotExist = &He8f
Const adErrTreePermissionDenied = &He90
Const adErrInvalidURL = &He91
Const adErrResourceLocked = &He92
Const adErrResourceExists = &He93
Const adErrCannotComplete = &He94
Const adErrVolumeNotFound = &He95
Const adErrOutOfSpace = &He96
Const adErrResourceOutOfScope = &He97
Const adErrUnavailable = &He98
Const adErrURLNamedRowDoesNotExist = &He99
Const adErrDelResOutOfScope = &He9a
Const adErrPropInvalidColumn = &He9b
Const adErrPropInvalidOption = &He9c
Const adErrPropInvalidValue = &He9d
Const adErrPropConflicting = &He9e
Const adErrPropNotAllSettable = &He9f
Const adErrPropNotSet = &Hea0
Const adErrPropNotSettable = &Hea1
Const adErrPropNotSupported = &Hea2
Const adErrCatalogNotSet = &Hea3
Const adErrCantChangeConnection = &Hea4
Const adErrFieldsUpdateFailed = &Hea5
Const adErrDenyNotSupported = &Hea6
Const adErrDenyTypeNotSupported = &Hea7
Const adErrProviderNotSpecified = &Hea9
Const adErrConnectionStringTooLong = &Heaa
'---- ParameterAttributesEnum Values ----
Const adParamSigned = &H0010
Const adParamNullable = &H0040
Const adParamLong = &H0080
'---- ParameterDirectionEnum Values ----
Const adParamUnknown = &H0000
Const adParamInput = &H0001
Const adParamOutput = &H0002
Const adParamInputOutput = &H0003
Const adParamReturnValue = &H0004
'---- CommandTypeEnum Values ----
Const adCmdUnknown = &H0008
Const adCmdText = &H0001
Const adCmdTable = &H0002
Const adCmdStoredProc = &H0004
Const adCmdFile = &H0100
Const adCmdTableDirect = &H0200
'---- EventStatusEnum Values ----
Const adStatusOK = &H0000001
Const adStatusErrorsOccurred = &H0000002
Const adStatusCantDeny = &H0000003
Const adStatusCancel = &H0000004
Const adStatusUnwantedEvent = &H0000005
'---- EventReasonEnum Values ----
Const adRsnAddNew = 1
Const adRsnDelete = 2
Const adRsnUpdate = 3
Const adRsnUndoUpdate = 4
Const adRsnUndoAddNew = 5
Const adRsnUndoDelete = 6
Const adRsnRequery = 7
Const adRsnResynch = 8
Const adRsnClose = 9
Const adRsnMove = 10
Const adRsnFirstChange = 11
Const adRsnMoveFirst = 12
Const adRsnMoveNext = 13
Const adRsnMovePrevious = 14
Const adRsnMoveLast = 15
'---- SchemaEnum Values ----
Const adSchemaProviderSpecific = -1
Const adSchemaAsserts = 0
Const adSchemaCatalogs = 1
Const adSchemaCharacterSets = 2
Const adSchemaCollations = 3
Const adSchemaColumns = 4
Const adSchemaCheckConstraints = 5
Const adSchemaConstraintColumnUsage = 6
Const adSchemaConstraintTableUsage = 7
Const adSchemaKeyColumnUsage = 8
Const adSchemaReferentialConstraints = 9
Const adSchemaTableConstraints = 10
Const adSchemaColumnsDomainUsage = 11
Const adSchemaIndexes = 12
Const adSchemaColumnPrivileges = 13
Const adSchemaTablePrivileges = 14
Const adSchemaUsagePrivileges = 15
Const adSchemaProcedures = 16
Const adSchemaSchemata = 17
Const adSchemaSQLLanguages = 18
Const adSchemaStatistics = 19
Const adSchemaTables = 20
Const adSchemaTranslations = 21
Const adSchemaProviderTypes = 22
Const adSchemaViews = 23
Const adSchemaViewColumnUsage = 24
Const adSchemaViewTableUsage = 25
Const adSchemaProcedureParameters = 26
Const adSchemaForeignKeys = 27
Const adSchemaPrimaryKeys = 28
Const adSchemaProcedureColumns = 29
Const adSchemaDBInfoKeywords = 30
Const adSchemaDBInfoLiterals = 31
Const adSchemaCubes = 32
Const adSchemaDimensions = 33
Const adSchemaHierarchies = 34
Const adSchemaLevels = 35
Const adSchemaMeasures = 36
Const adSchemaProperties = 37
Const adSchemaMembers = 38
Const adSchemaTrustees = 39
Const adSchemaFunctions = 40
Const adSchemaActions = 41
Const adSchemaCommands = 42
Const adSchemaSets = 43
'---- FieldStatusEnum Values ----
Const adFieldOK = 0
Const adFieldCantConvertValue = 2
Const adFieldIsNull = 3
Const adFieldTruncated = 4
Const adFieldSignMismatch = 5
Const adFieldDataOverflow = 6
Const adFieldCantCreate = 7
Const adFieldUnavailable = 8
Const adFieldPermissionDenied = 9
Const adFieldIntegrityViolation = 10
Const adFieldSchemaViolation = 11
Const adFieldBadStatus = 12
Const adFieldDefault = 13
Const adFieldIgnore = 15
Const adFieldDoesNotExist = 16
Const adFieldInvalidURL = 17
Const adFieldResourceLocked = 18
Const adFieldResourceExists = 19
Const adFieldCannotComplete = 20
Const adFieldVolumeNotFound = 21
Const adFieldOutOfSpace = 22
Const adFieldCannotDeleteSource = 23
Const adFieldReadOnly = 24
Const adFieldResourceOutOfScope = 25
Const adFieldAlreadyExists = 26
Const adFieldPendingInsert = &H10000
Const adFieldPendingDelete = &H20000
Const adFieldPendingChange = &H40000
Const adFieldPendingUnknown = &H80000
Const adFieldPendingUnknownDelete = &H100000
'---- SeekEnum Values ----
Const adSeekFirstEQ = &H1
Const adSeekLastEQ = &H2
Const adSeekAfterEQ = &H4
Const adSeekAfter = &H8
Const adSeekBeforeEQ = &H10
Const adSeekBefore = &H20
'---- ADCPROP_UPDATECRITERIA_ENUM Values ----
Const adCriteriaKey = 0
Const adCriteriaAllCols = 1
Const adCriteriaUpdCols = 2
Const adCriteriaTimeStamp = 3
'---- ADCPROP_ASYNCTHREADPRIORITY_ENUM Values ----
Const adPriorityLowest = 1
Const adPriorityBelowNormal = 2
Const adPriorityNormal = 3
Const adPriorityAboveNormal = 4
Const adPriorityHighest = 5
'---- ADCPROP_AUTORECALC_ENUM Values ----
Const adRecalcUpFront = 0
Const adRecalcAlways = 1
'---- ADCPROP_UPDATERESYNC_ENUM Values ----
Const adResyncNone = 0
Const adResyncAutoIncrement = 1
Const adResyncConflicts = 2
Const adResyncUpdates = 4
Const adResyncInserts = 8
Const adResyncAll = 15
'---- MoveRecordOptionsEnum Values ----
Const adMoveUnspecified = -1
Const adMoveOverWrite = 1
Const adMoveDontUpdateLinks = 2
Const adMoveAllowEmulation = 4
'---- CopyRecordOptionsEnum Values ----
Const adCopyUnspecified = -1
Const adCopyOverWrite = 1
Const adCopyAllowEmulation = 4
Const adCopyNonRecursive = 2
'---- StreamTypeEnum Values ----
Const adTypeBinary = 1
Const adTypeText = 2
'---- LineSeparatorEnum Values ----
Const adLF = 10
Const adCR = 13
Const adCRLF = -1
'---- StreamOpenOptionsEnum Values ----
Const adOpenStreamUnspecified = -1
Const adOpenStreamAsync = 1
Const adOpenStreamFromRecord = 4
'---- StreamWriteEnum Values ----
Const adWriteChar = 0
Const adWriteLine = 1
'---- SaveOptionsEnum Values ----
Const adSaveCreateNotExist = 1
Const adSaveCreateOverWrite = 2
'---- FieldEnum Values ----
Const adDefaultStream = -1
Const adRecordURL = -2
'---- StreamReadEnum Values ----
Const adReadAll = -1
Const adReadLine = -2
'---- RecordTypeEnum Values ----
Const adSimpleRecord = 0
Const adCollectionRecord = 1
Const adStructDoc = 2
%>