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ADO 数据类型转换表 oledbtype sqldbtype

2008-04-08 09:55 483 查看

ADO

DataType

Enum
ADO

DataType

Enum

Value
.NET

Framework
SQL

Server		Size
Access
Oracle
Visual

Basic

6.0
adBigInt20Int64

SqlDbType.BigInt
10
OleDbType.BigInt 11		bigint 98Variant
adBinary128Byte[]

SqlDbType.VarBinary
10
OleDbType.Binary 11		binary

timestamp		50

8		Raw
7		Variant
adBoolean11Boolean

SqlDbType.Bit
10

OleDbType.Boolean 11		bit1

2		YesNoBoolean
adBSTR8String

OleDbType.BSTR 11
adChapter136(DataReader)
adChar129String

SqlDbType.Char
10
OleDbType.Char 11		charXCharString
adCurrency6Decimal

SqlDbType.Money
10
OleDbType.Currency 11		money

smallmoney

8

4

0		CurrencyCurrency
adDate7DateTime

OleDbType.DBDate 11		0DateTime 2Date
adDBDate133DateTime

OleDbType.DBDate 11
adDBFileTime137DBFileTime
11
adDBTime134DateTime

OleDbType.DBTime 11
adDBTimeStamp135DateTime

SqlDbType.DateTime
10
OleDbType.DBTimeStamp 11		datetime

smalldatetime

8

4

0		DateTime 1DateDate
adDecimal14Decimal

OleDbType.Decimal 11		Decimal
7		Variant 6
adDouble5Double

SqlDbType.Float
10
OleDbType.Double 11		float8

0		DoubleFloatDouble
adEmpty0Empty
11
adError10External-Exception

OleDbType.Error 11
adFileTime64DateTime

OleDbType.Filetime 11
adGUID72Guid

SqlDbType.UniqueIdentifier
10
OleDbType.Guid 11		uniqueidentifier516ReplicationID2,3 Variant
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