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09/24/2010

Nullable 屬性

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 (在 Microsoft.SqlServer.Smo.dll 中)

語法

'宣告
<SfcPropertyAttribute> _
Public Property Nullable As Boolean
    Get
    Set
'用途
Dim instance As Column
Dim value As Boolean

value = instance.Nullable

instance.Nullable = value

[SfcPropertyAttribute]
public bool Nullable { get; set; }

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

[<SfcPropertyAttribute>]
member Nullable : bool with get, set

function get Nullable () : boolean
function set Nullable (value : boolean)

屬性值

型別：System. . :: . .Boolean
A Boolean value that specifies whether the column can accept null values.
If True, the column can accept null values. Otherwise, False (default).