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：  ReportExecution2005
組件：  ReportExecution2005 (在 ReportExecution2005.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 read-only Boolean value.

備註

The value for the Nullable property has a corresponding NullableSpecified property in the Reporting Service Execution Web service proxy class. Because Nullable is read-only and cannot be set by end users, you do not need to specify this property. For more information about specifying properties, see 省略選擇性 Web 服務物件的值.

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參考

ReportParameter 類別

ReportExecution2005 命名空間