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UserDefinedDataType.Nullable 屬性

Gets or sets the Boolean property value that specifies whether the user-defined data type accepts null values or not.

命名空間:  Microsoft.SqlServer.Management.Smo
組件:  Microsoft.SqlServer.Smo (在 Microsoft.SqlServer.Smo.dll 中)

語法

'宣告
<SfcPropertyAttribute(SfcPropertyFlags.None Or SfcPropertyFlags.ReadOnlyAfterCreation Or SfcPropertyFlags.Standalone Or SfcPropertyFlags.SqlAzureDatabase Or SfcPropertyFlags.Design)> _
Public Property Nullable As Boolean 
    Get 
    Set
'用途
Dim instance As UserDefinedDataType 
Dim value As Boolean 

value = instance.Nullable

instance.Nullable = value
[SfcPropertyAttribute(SfcPropertyFlags.None|SfcPropertyFlags.ReadOnlyAfterCreation|SfcPropertyFlags.Standalone|SfcPropertyFlags.SqlAzureDatabase|SfcPropertyFlags.Design)]
public bool Nullable { get; set; }
[SfcPropertyAttribute(SfcPropertyFlags::None|SfcPropertyFlags::ReadOnlyAfterCreation|SfcPropertyFlags::Standalone|SfcPropertyFlags::SqlAzureDatabase|SfcPropertyFlags::Design)]
public:
property bool Nullable {
    bool get ();
    void set (bool value);
}
[<SfcPropertyAttribute(SfcPropertyFlags.None|SfcPropertyFlags.ReadOnlyAfterCreation|SfcPropertyFlags.Standalone|SfcPropertyFlags.SqlAzureDatabase|SfcPropertyFlags.Design)>]
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 user-defined data type accepts null values.If True, the user-defined data type accepts null values.If False (default), the user-defined data type does not accept null values.

範例

使用資料類型

請參閱

參考

UserDefinedDataType 類別

Microsoft.SqlServer.Management.Smo 命名空間

其他資源

資料類型 (Database Engine)

CREATE TYPE (Transact-SQL)