DxComboBox<TData, TValue>.ClearButtonDisplayMode Property

Specifies whether the ComboBox displays the Clear button when it is not empty.

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v21.1.dll

Declaration

[Parameter]
[DefaultValue(DataEditorClearButtonDisplayMode.Never)]
public DataEditorClearButtonDisplayMode ClearButtonDisplayMode { get; set; }

Property Value

Type Default Description
DataEditorClearButtonDisplayMode

Never

A DataEditorClearButtonDisplayMode enumeration value.

Available values:

Name Description
Auto

The Clear button is displayed when an editor is not empty and is not in the read-only state. This mode requires that the editor’s data type is nullable.

Never

The Clear button is not displayed.

Remarks

The Clear button clears the editor’s value (sets it to NULL). To display this button in the editor when there is a value in it, set the ClearButtonDisplayMode property to DataEditorClearButtonDisplayMode.Auto. This mode also requires that the editor’s data type is nullable.

<DxComboBox NullText="Select an option..."
            Data="@DataSource"
            @bind-Value="@SelectedOption"
            @bind-DropDownVisible="@DropDownVisible"
            TextFieldName="Text"
            ClearButtonDisplayMode="DataEditorClearButtonDisplayMode.Auto">
</DxComboBox>

ComboBox NullValue

Run Demo: ComboBox - Clear Button and Placeholder

See Also