共用方式為

ConnectionManager.IsOpen Property

  • 發行項

Gets the Boolean property value that specifies whether the connection is currently open.

命名空間: Microsoft.SqlServer.Management.Common
組件: Microsoft.SqlServer.ConnectionInfo (in microsoft.sqlserver.connectioninfo.dll)

語法

'宣告
Public ReadOnly Property IsOpen As Boolean

public bool IsOpen { get; }

public:
property bool IsOpen {
    bool get ();
}

/** @property */
public boolean get_IsOpen ()

public function get IsOpen () : boolean

屬性值

A Boolean value that specifies whether the connection is open. If True, the connection is open. If False (default), the connection is not open.

備註

This namespace, class, or member is supported only in version 2.0 of the Microsoft .NET Framework.

執行緒安全性

Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

平台

開發平台

如需受支援的平台清單，請參閱＜安裝 SQL Server 2005 的硬體和軟體需求＞。

目標平台

如需受支援的平台清單，請參閱＜安裝 SQL Server 2005 的硬體和軟體需求＞。

請參閱

參考

ConnectionManager Class
ConnectionManager Members
Microsoft.SqlServer.Management.Common Namespace