Styles and Appearances in Blazor ListBox Component

15 Dec 20223 minutes to read

To modify the ListBox appearance, you need to override the default CSS of ListBox component. Find the list of CSS classes and its corresponding section in ListBox component. Also, you have an option to create your own custom theme for the controls using our Theme Studio.

CSS Class Purpose of Class
.e-listbox-container To customize the listbox container
.e-listbox-container .e-list-item To customize the listbox list items
.e-listbox-container .e-list-item:hover:not(.e-selected):not(.e-disabled) To customize the listbox list items on hover
.e-listbox-container .e-list-item.e-selected To customize the listbox selected list item
.e-listboxtool-container .e-listbox-tool To customize the listbox toolbar
.e-listboxtool-container .e-listbox-tool .e-btn To customize the listbox toolbar button
.e-listboxtool-container .e-listbox-tool .e-btn .e-btn-icon.e-icons::before To customize the listbox toolbar icon

Horizontal ListBox

You can use CssClass property to display the Listbox horizontally.

<div id="listbox-control">
    <h6>Select your favorite car:</h6>
    <SfListBox Value=@Value CssClass="e-horizontal-listbox" DataSource="@Data" TValue="string[]" TItem="DataValues"></SfListBox>

    #listbox-control {
        width: 350px;
        margin: auto;
    /* Custom css for horizontal listbox */
    .e-horizontal-listbox .e-list-parent {
        display: inline-flex;
        align-items: center;

    .e-horizontal-listbox {
        overflow-y: hidden;
        height: 100px;

    .e-horizontal-listbox .e-list-parent .e-list-item {
        width: max-content;
        line-height: 100px;
        height: 100px;

    public string[] Value = new string[] { "Hennessey Venom" };
    public List<DataValues> Data = new List<DataValues> {
        new DataValues{ text = "Hennessey Venom", id = "list-01" },
        new DataValues{ text = "Bugatti Chiron", id = "list-02" },
        new DataValues{ text = "Bugatti Veyron Super Sport", id = "list-03" },
        new DataValues{ text = "SSC Ultimate Aero", id = "list-04" },
        new DataValues{ text = "Koenigsegg CCR", id = "list-05" },
        new DataValues{ text = "McLaren F1", id = "list-06" },
        new DataValues{ text = "Aston Martin One- 77", id = "list-07" },
        new DataValues{ text = "Jaguar XJ220", id = "list-08" },
        new DataValues{ text = "McLaren P1", id = "list-09" },
        new DataValues{ text = "Ferrari LaFerrari", id = "list-10" }
    public class DataValues
        public string text { get; set; }
        public string id { get; set; }

Blazor Horizontal ListBox


View Sample in GitHub