SqlGeography.IsNull 屬性
Determines whether the SqlGeography instance is null.
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 SqlGeography
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
A bool value that specifies whether the SqlGeography instance is null. If true, the instance is null. Otherwise, false.