OracleConnection.State 属性

public:
 virtual property System::Data::ConnectionState State { System::Data::ConnectionState get(); };

[System.ComponentModel.Browsable(false)]
public override System.Data.ConnectionState State { get; }

member this.State : System.Data.ConnectionState

Public Overrides ReadOnly Property State As ConnectionState

属性值

属性

BrowsableAttribute

示例

下面的示例创建派生类的实例，OracleConnection，设置其 ConnectionString，并显示其 State。The following example creates an instance of a derived class, OracleConnection, sets its ConnectionString, and displays its State.

public void createOracleConnection()
{
    using (OracleConnection connection = new OracleConnection())
    {
        connection.ConnectionString = "Data Source=Oracle8i;Integrated Security=yes";
        connection.Open();
        Console.WriteLine("Connection State: " + connection.State);
    }
}

Public Sub createOracleConnection()
    Using connection As New OracleConnection()
        connection.ConnectionString = _
           "Data Source=Oracle8i;Integrated Security=yes"
        connection.Open()
        Console.WriteLine("Connection State: " & connection.State)
    End Using
End Sub

注解

允许的状态更改为：The allowed state changes are:

• 从 Closed 到 Open，使用 OracleConnection 对象的 Open 方法。From Closed to Open, using the Open method of the OracleConnection object.

• 从 Open 到 Closed，使用 OracleConnection 对象的 Close 方法。From Open to Closed, using the Close method of the OracleConnection object.

适用于