通过

ConnectionManager.IsOpen Property

  • 项目

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

命名空间: Microsoft.SqlServer.Management.Common
程序集: Microsoft.SqlServer.ConnectionInfo (in microsoft.sqlserver.connectioninfo.dll)

语法

声明
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

属性值

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

备注

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

线程安全

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

开发平台

有关支持的平台列表，请参阅安装 SQL Server 2005 的硬件和软件要求。

目标平台

有关支持的平台列表，请参阅安装 SQL Server 2005 的硬件和软件要求。

请参阅

参考

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