SqlHierarchyId.IsNull 屬性
Gets a value indicating whether the SqlHierarchyId is nullnull 參考 (在 Visual Basic 中為 Nothing).
命名空間： Microsoft.SqlServer.Types
組件： Microsoft.SqlServer.Types (在 Microsoft.SqlServer.Types.dll 中)
語法
'宣告
Public ReadOnly Property IsNull As Boolean
Get
'用途
Dim instance As SqlHierarchyId
Dim value As Boolean
value = instance.IsNull
public bool IsNull { get; }
public:
virtual property bool IsNull {
bool get () sealed;
}
abstract IsNull : bool
override IsNull : bool
final function get IsNull () : boolean
屬性值
型別：System.Boolean
Boolean representing true (1) if the SqlHierarchyId node is nullnull 參考 (在 Visual Basic 中為 Nothing); otherwise, false (0).
實作
備註
This member is virtual.