Null 属性

Gets a SqlHierarchyId with a hierarchy identification of 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 Shared ReadOnly Property Null As SqlHierarchyId
    Get
用法
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

类型：Microsoft.SqlServer.Types. . :: . .SqlHierarchyId
SqlHierarchyId with a value of nullNothingnullptrunitnull 引用（在 Visual Basic 中为 Nothing）.

This member is static.