Nullable 屬性

Indicates whether the value of the parameter can be nullNothingnullptrunitnull 參考 (在 Visual Basic 中為 Nothing).

命名空間：  ReportService2005
組件：  ReportService2005 (在 ReportService2005.dll 中)

語法

'宣告
Public Property Nullable As Boolean
    Get
    Set
'用途
Dim instance As ReportParameter
Dim value As Boolean

value = instance.Nullable

instance.Nullable = value

public bool Nullable { get; set; }

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

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. A value of true indicates that the value of the parameter can be nullNothingnullptrunitnull 參考 (在 Visual Basic 中為 Nothing).

請參閱

參考

ReportParameter 類別

ReportService2005 命名空間