Gets or sets the number of days that must elapse before a backup set can be overwritten.
命名空間: Microsoft.SqlServer.Management.Smo
組件: Microsoft.SqlServer.Smo (in microsoft.sqlserver.smo.dll)
語法
'宣告
Public Property RetainDays As Integer
public int RetainDays { get; set; }
public:
property int RetainDays {
int get ();
void set (int value);
}
/** @property */
public int get_RetainDays ()
/** @property */
public void set_RetainDays (int value)
public function get RetainDays () : int
public function set RetainDays (value : int)
屬性值
An Int32 value that specifies the retention period in days. By default, the value is set to zero.
備註
Backup set retention period is set when media is initialized. When using SQL Server Management Objects (SMO) to automate Microsoft SQL Server backup, the RetainDays property is only evaluated when the Initialize property is True.
只有 Microsoft .NET Framework 2.0 版支援此命名空間、類別或成員。
範例
How to: Back Up Databases and Transaction Logs in Visual Basic .NET
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
Backup Class
Backup Members
Microsoft.SqlServer.Management.Smo Namespace