通过

Nullable 属性

Indicates the value for this parameter is allowed to be Null.

命名空间：  Microsoft.ReportingServices.OnDemandReportRendering
程序集：  Microsoft.ReportingServices.ProcessingCore（在 Microsoft.ReportingServices.ProcessingCore.dll 中）

语法

声明
Public ReadOnly Property Nullable As Boolean
    Get
用法
Dim instance As ReportParameter
Dim value As Boolean

value = instance.Nullable

public bool Nullable { get; }

public:
property bool Nullable {
    bool get ();
}

member Nullable : bool

function get Nullable () : boolean

属性值

类型：System. . :: . .Boolean
A Boolean value.