OleDbParameter.DbType 属性
定义
public:
virtual property System::Data::DbType DbType { System::Data::DbType get(); void set(System::Data::DbType value); };
public:
property System::Data::DbType DbType { System::Data::DbType get(); void set(System::Data::DbType value); };
public override System.Data.DbType DbType { get; set; }
[System.ComponentModel.Browsable(false)]
[System.Data.DataSysDescription("DataParameter_DbType")]
public System.Data.DbType DbType { get; set; }
member this.DbType : System.Data.DbType with get, set
[<System.ComponentModel.Browsable(false)>]
[<System.Data.DataSysDescription("DataParameter_DbType")>]
member this.DbType : System.Data.DbType with get, set
Public Overrides Property DbType As DbType
Public Property DbType As DbType
属性值
DbType 值之一。One of the DbType values. 默认值为 String。The default is String.
实现
- 属性
例外
示例
下面的示例创建 OleDbParameter 并设置其一些属性。The following example creates an OleDbParameter and sets some of its properties.
public void CreateOleDbParameter()
{
OleDbParameter parameter = new OleDbParameter("Description", OleDbType.VarChar, 88);
parameter.Direction = ParameterDirection.Output;
}
Public Sub CreateOleDbParameter()
Dim parameter As New OleDbParameter("Description", OleDbType.VarChar, 88)
parameter.Direction = ParameterDirection.Output
End Sub
注解
OleDbType和 DbType 已链接。The OleDbType and DbType are linked. 因此,将 DbType 更改设置 OleDbType 为支持 OleDbType 。Therefore, setting the DbType changes the OleDbType to a supporting OleDbType.
有关支持的数据类型的列表,请参阅相应 OleDbType 成员。For a list of the supported data types, see the appropriate OleDbType member. 有关详细信息,请参阅 DataAdapter 参数。For more information, see DataAdapter Parameters.