Home Database Mysql Tutorial Access数据类型与.net OleDbType枚举类型的对应

Access数据类型与.net OleDbType枚举类型的对应

Jun 07, 2016 pm 03:38 PM
.net access data enumerate type

列表最常见的数据类型映射 访问类型名称 数据库数据类型 OLEDB 类型 .NET 框架类型 成员名称 文本 VarWChar DBTYPE _ WSTR System.String OleDbType.VarWChar 备忘录 LongVarWCha R DBTYPE _ WSTR System.String OleDbType.LongVarWChar 字节数: UnsignedTin

列表最常见的数据类型映射

访问类型名称 数据库数据类型 OLEDB 类型 .NET 框架类型 成员名称
文本 VarWChar DBTYPE _ WSTR System.String OleDbType.VarWChar
备忘录 LongVarWCha R DBTYPE _ WSTR System.String OleDbType.LongVarWChar
字节数: UnsignedTinyInt DBTYPE _ UI 1 System.Byte OleDbType.UnsignedTinyInt
是 / 否 Boolean DBTYPE_BOOL System.Boolean OleDbType.Boolean
日期 / 时间 DateTime DBTYPE _ DATE System.DateTime OleDbType.date
货币 十进制 DBTYPE_NUMERIC System.Decimal OleDbType.numeric
十进制数: 十进制 DBTYPE_NUMERIC System.Decimal OleDbType.numeric
双数: DBTYPE_R8 System.Double OleDbType.Double
Autonumber (复制 ID) GUID DBTYPE_GUID System.Guid OleDbType.guid
复制 (ID) 号: GUID DBTYPE_GUID System.Guid OleDbType.guid
Autonumber (长整型) 整数 DBTYPE_I4 System.Int 32 OleDbType.integer
数量: (长整型) 整数 DBTYPE_I4 System.Int 32 OleDbType.integer
OLE 对象 LongVarBinary DBTYPE_BYTES 数组 System.Byte OleDbType.LongVarBinary
单个数字: 单个 DBTYPE_R4 System.Single OleDbType.single
整型数: SmallInt DBTYPE_I2 System.Int 16 OleDbType.SmallInt
二进制 VarBinary * DBTYPE_BYTES 数组 System.Byte OleDbType.binary
超链接 VarWChar DBTYPE _ WSTR System.String OleDbType.VarWChar

FAILED TO TRANSLATE SENTENCE 您必须创建此数据类型通过代码。



OLE DB Provider for Microsoft Jet 数据类型支持:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/oledb/htm/oledbprovjet_data_type_support.asp (http://msdn.microsoft.com/library/default.asp?url=/library/en-us/oledb/htm/oledbprovjet_data_type_support.asp)

OLE DB Provider for Microsoft Jet DBPROPSET_JETOLEDB_COLUMN 中提供程序特有的属性:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/oledb/htm/oledbprovjet_provider_specific_properties_in_dbpropset_jetoledb_column.asp (http://msdn.microsoft.com/library/default.asp?url=/library/en-us/oledb/htm/oledbprovjet_provider_specific_properties_in_dbpropset_jetoledb_column.asp)

OleDbType 枚举

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfSystemDataOleDbOleDbTypeClassTopic.asp (http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfSystemDataOleDbOleDbTypeClassTopic.asp)

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