OracleCommand.Prepare 方法

定义

在数据源中创建命令的准备好的(即已编译的)版本。Creates a prepared (or compiled) version of the command at the data source.

public:
 virtual void Prepare();
public:
 override void Prepare();
public void Prepare ();
public override void Prepare ();
abstract member Prepare : unit -> unit
override this.Prepare : unit -> unit
override this.Prepare : unit -> unit
Public Sub Prepare ()
Public Overrides Sub Prepare ()

实现

例外

未设置 ConnectionThe Connection is not set.

-or- Connection 不为 Open()The Connection is not Open().

注解

在调用之前 Prepare ,请在要准备的语句中指定每个参数的数据类型。Before you call Prepare, specify the data type of each parameter in the statement to be prepared.

适用于