Column.Nullable Property

项目
12/15/2008

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

命名空间: Microsoft.SqlServer.Management.Smo
程序集: Microsoft.SqlServer.Smo (in microsoft.sqlserver.smo.dll)

语法

声明
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)

属性值

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.

备注

仅 Microsoft .NET Framework 的 2.0 版本支持此命名空间、类或成员。

示例

How to: Create, Alter, and Remove a Table in Visual Basic .NET

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