SqlHierarchyId.Null 屬性
Gets a SqlHierarchyId with a hierarchy identification of 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 Shared ReadOnly Property Null As SqlHierarchyId
Get
'用途
Dim value As SqlHierarchyId
value = SqlHierarchyId.Null
public static SqlHierarchyId Null { get; }
public:
static property SqlHierarchyId Null {
SqlHierarchyId get ();
}
static member Null : SqlHierarchyId
static function get Null () : SqlHierarchyId
屬性值
型別：Microsoft.SqlServer.Types.SqlHierarchyId
SqlHierarchyId with a value of nullnull 參考 (在 Visual Basic 中為 Nothing).
備註
This member is static.