BindingBase.TargetNullValue Property
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Gets or sets the value that is used in the target when the value of the source is null
.
public:
property System::Object ^ TargetNullValue { System::Object ^ get(); void set(System::Object ^ value); };
public object TargetNullValue { get; set; }
member this.TargetNullValue : obj with get, set
Public Property TargetNullValue As Object
Property Value
The value that is used in the target when the value of the source is null
.
Examples
The following example binds a TextBox to a property of an object. If the property is null
, the TextBox displays "please enter a string."
<TextBox Width="150"
Text="{Binding Source={StaticResource object2},
Path=PropertyB, BindingGroupName=bindingGroup,
TargetNullValue=please enter a string}" />
Remarks
XAML Text Usage
<object TargetNullValue="nullValue" />
- or -
<object>
<object.TargetNullValue>
nullValue
</object.TargetNullValue>
</object>
XAML Values
nullValue
An attribute or object element value of the same type as the target property. See that type's documentation for XAML usage information. That type may or may not support attribute syntax for its values, or may or may not support object element syntax (which requires a parameterless constructor on that type).
Applies to
.NET
피드백
https://aka.ms/ContentUserFeedback
출시 예정: 2024년 내내 콘텐츠에 대한 피드백 메커니즘으로 GitHub 문제를 단계적으로 폐지하고 이를 새로운 피드백 시스템으로 바꿀 예정입니다. 자세한 내용은 다음을 참조하세요.다음에 대한 사용자 의견 제출 및 보기