DxDropDownListEditorBase<TData, TValue>.NullText Property
Specifies the editor’s prompt text when the editor’s value is null
.
Namespace: DevExpress.Blazor.Base
Assembly: DevExpress.Blazor.v24.1.dll
NuGet Package: DevExpress.Blazor
Declaration
[DefaultValue(null)]
[Parameter]
public string NullText { get; set; }
Property Value
Type | Default | Description |
---|---|---|
String | null | A string value that specifies the prompt text. |
Remarks
Use the NullText
property to display the prompt text in TagBox when its value is null
.
You can also set the ClearButtonDisplayMode property to Auto
to show the Clear button when the editor has a non-null value. Users can click this button to clear the editor’s value (set it to null
).
<DxTagBox NullText="Select countries..."
Data="@CountryData.Countries"
@bind-Values="@SelectedCountries"
TextFieldName="@nameof(Country.CountryName)"
ClearButtonDisplayMode="DataEditorClearButtonDisplayMode.Auto" />
</DxTagBox>
@code {
IEnumerable<Country> SelectedCountries { get; set; }
}
Implements
DevExpress.Blazor.IDropDownListEditorBase<TData, TValue>.NullText
See Also