此 API 支援 SQL Server 2012 基礎結構，但無法直接從您的程式碼使用。
Gets whether the report expression is empty.
命名空間： Microsoft.ReportingServices.RdlObjectModel
組件： Microsoft.ReportingServices.Designer.Controls (在 Microsoft.ReportingServices.Designer.Controls.dll 中)
語法
'宣告
Public ReadOnly Property IsEmpty As Boolean
Get
'用途
Dim instance As ReportExpression
Dim value As Boolean
value = instance.IsEmpty
public bool IsEmpty { get; }
public:
virtual property bool IsEmpty {
bool get () sealed;
}
abstract IsEmpty : bool
override IsEmpty : bool
final function get IsEmpty () : boolean
屬性值
型別：System.Boolean
True if the report expression is empty; otherwise, false.