Database.ConcatenateNullYieldsNull 属性
Gets or sets a value that specifies whether the CONCAT_NULL_YIELDS_NULL database option is active.
命名空间： Microsoft.SqlServer.Management.Smo
程序集： Microsoft.SqlServer.Smo（在 Microsoft.SqlServer.Smo.dll 中）
语法
声明
<SfcPropertyAttribute(SfcPropertyFlags.None Or SfcPropertyFlags.Standalone Or SfcPropertyFlags.SqlAzureDatabase Or SfcPropertyFlags.Design)> _
Public Property ConcatenateNullYieldsNull As Boolean
Get
Set
用法
Dim instance As Database
Dim value As Boolean
value = instance.ConcatenateNullYieldsNull
instance.ConcatenateNullYieldsNull = value
[SfcPropertyAttribute(SfcPropertyFlags.None|SfcPropertyFlags.Standalone|SfcPropertyFlags.SqlAzureDatabase|SfcPropertyFlags.Design)]
public bool ConcatenateNullYieldsNull { get; set; }
[SfcPropertyAttribute(SfcPropertyFlags::None|SfcPropertyFlags::Standalone|SfcPropertyFlags::SqlAzureDatabase|SfcPropertyFlags::Design)]
public:
virtual property bool ConcatenateNullYieldsNull {
bool get () sealed;
void set (bool value) sealed;
}
[<SfcPropertyAttribute(SfcPropertyFlags.None|SfcPropertyFlags.Standalone|SfcPropertyFlags.SqlAzureDatabase|SfcPropertyFlags.Design)>]
abstract ConcatenateNullYieldsNull : bool with get, set
[<SfcPropertyAttribute(SfcPropertyFlags.None|SfcPropertyFlags.Standalone|SfcPropertyFlags.SqlAzureDatabase|SfcPropertyFlags.Design)>]
override ConcatenateNullYieldsNull : bool with get, set
final function get ConcatenateNullYieldsNull () : boolean
final function set ConcatenateNullYieldsNull (value : boolean)
属性值
类型：System.Boolean
A Boolean that specifies whether the ConcatenateNullYieldsNull database option is active. If True, the concatenated result is NULL. If False (default), the value is concatenated with a zero string.
实现
IDatabaseOptions.ConcatenateNullYieldsNull
注释
This property specifies whether a value that is concatenated with a null value results in a null value or in a zero string.