IsNull 属性
Gets a value indicating whether the SqlHierarchyId is nullNothingnullptrunitnull 引用(在 Visual Basic 中为 Nothing).
命名空间: Microsoft.SqlServer.Types
程序集: Microsoft.SqlServer.Types(在 Microsoft.SqlServer.Types.dll 中)
语法
声明
Public ReadOnly Property IsNull As Boolean
Get
用法
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
属性值
类型:System. . :: . .Boolean
Boolean representing true (1) if the SqlHierarchyId node is nullNothingnullptrunitnull 引用(在 Visual Basic 中为 Nothing); otherwise, false (0).
实现
注释
This member is virtual.