DxRibbonComboBoxItem<TData, TValue>.NullText Property

Specifies the prompt text displayed in the editor when its value is null.

Assembly : DevExpress.Blazor.v25.2.dll

Declaration

csharp

[DefaultValue(null)]
[Parameter]
public string NullText { get; set; }

Property Value

Type	Default	Description
String	null

The prompt text.

Remarks

Use the NullText property to display prompt text in the ribbon combo box item when its value is null.

Razor
FontSizeInfo.cs

razor

...
<DxRibbonComboBoxItem Data="FontSizes"
                      @bind-Value="CurrentFontSize"
                      TextFieldName="@nameof(FontSizeInfo.Size)"
                      AllowUserInput="true"
                      NullText="Font Size"
                      Width="120px" />
...
@code {
    private FontSizeInfo CurrentFontSize { get; set; }
    private IEnumerable<FontSizeInfo> FontSizes => FontSizeInfo.DefaultFontSizes;
}

csharp

public class FontSizeInfo {
    public int Size { get; private set; }

    public FontSizeInfo(int size) {
        Size = size;
    }
    public static readonly FontSizeInfo[] DefaultFontSizes = new FontSizeInfo[] {
            new FontSizeInfo(8),
            new FontSizeInfo(10),
            new FontSizeInfo(12),
            new FontSizeInfo(14),
            new FontSizeInfo(18),
            new FontSizeInfo(24),
        };
}

Implements

DevExpress.Blazor.Ribbon.IRibbonComboBox<TData, TValue>.NullText