ADO对应SQLServer数据类型转换表.doc
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ADO 数据类型转换表
ADO DataType Enum ADO DataType Enum Value .NET Framework SQL Server! Size Access文件 Oracle Visual Basic 6.0 adBigInt 20 Int64 SqlDbType.BigInt 10 OleDbType.BigInt 11 bigint 9 8 Variant adBinary 128 Byte[] SqlDbType.VarBinary 10 OleDbType.Binary 11 binary timestamp 50 8 Raw 7 Variant adBoolean 11 Boolean SqlDbType.Bit 10 OleDbType.Boolean 11 bit 1 2 YesNo Boolean adBSTR 8 String OleDbType.BSTR 11 adChapter 136 (DataReader) adChar 129 String SqlDbType.Char 10 OleDbType.Char 11 char X Char String adCurrency 6 Decimal SqlDbType.Money 10 OleDbType.Currency 11 money smallmoney 8 4 0 Currency Currency adDate 7 DateTime OleDbType.DBDate 11 0 DateTime 2 Date adDBDate 133 DateTime OleDbType.DBDate 11 adDBFileTime 137 DBFileTime 11 adDBTime 134 DateTime OleDbType.DBTime 11 adDBTimeStamp 135 DateTime SqlDbType.DateTime 10 OleDbType.DBTimeStamp 11 datetime smalldatetime 8 4 0 DateTime 1 Date Date adDecimal 14 Decimal OleDbType.Decimal 11 Decimal 7 Variant 6 adDouble 5 Double SqlDbType.Float 10 OleDbType.Double 11 float 8 0 Double Float Double adEmpty 0 Empty 11 adError 10 External-Exception OleDbType.Error 11 adFileTime 64 DateTime OleDbType.Filetime 11 adGUID 72 Guid SqlDbType.UniqueIdentifier 10 OleDbType.Guid 11 uniqueidentifier5 16 ReplicationID2,3 Variant adIDispatch 9 Object OleDbType.IDispatch 11 adInteger 3 Int32 SqlDbType.Int 10 OleDbType.Integer 11 identity 4 int 4 4 AutoNumber Long Integer Int 7 Long adIUnknown 13 Object OleDbType.IUnknown 11 adLongVarBinary 205 Byte[] SqlDbType.VarBinary 10 OleDbType.LongVarBinary 11 image 2147483647 OLEObject Long Raw 7 Blob 8 Variant adLongVarChar 201 String SqlDbType.VarChar 10 OleDbType.LongVarChar 11 text 2147483647 Memo 1, 2 Hyperlink 1, 2 Long 7 Clob 8 String adLongVarWChar 203 String SqlDbTy
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