Column.Nullable Property

發行項
12/15/2008

Gets or sets the Boolean property value that specifies whether the column can accept null values.

命名空間: Microsoft.SqlServer.Management.Smo
組件: Microsoft.SqlServer.Smo (in microsoft.sqlserver.smo.dll)

語法

'宣告
Public Property Nullable As Boolean

public bool Nullable { get; set; }

public:
property bool Nullable {
    bool get ();
    void set (bool value);
}

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

/** @property */
public void set_Nullable (boolean value)

public function get Nullable () : boolean

public function set Nullable (value : boolean)

屬性值

A Boolean value that specifies whether the column can accept null values. If True, the column can accept null values. If False (default), the column is cannot accept null values.

備註

只有 Microsoft .NET Framework 2.0 版支援此命名空間、類別或成員。

範例

How to: Create, Alter, and Remove a Table 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