Access数据类型与.net OleDbType枚举类型的对应
2008-10-17 11:14
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Access数据类型与.net OleDbType枚举类型的对应
列表最常见的数据类型映射
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)
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: | 双 | 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 |
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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