LanguageSelector.razor

@using BlazorHero.CleanArchitecture.Shared.Constants.Localization
@inject Microsoft.Extensions.Localization.IStringLocalizer<LanguageSelector> _localizer

@if (LocalizationConstants.SupportedLanguages.Length > 1)
{
    <MudMenu Icon="@Icons.Material.Outlined.Translate" Color="Color.Inherit" Direction="Direction.Bottom" OffsetY="true" Dense="true">
        @foreach (var language in LocalizationConstants.SupportedLanguages)
        {
            <MudMenuItem OnClick="(()=> ChangeLanguageAsync(language.Code))">@_localizer[language.DisplayName]</MudMenuItem>
        }
    </MudMenu>
}

@code
{
    private async Task ChangeLanguageAsync(string languageCode)
    {
        var result = await _clientPreferenceManager.ChangeLanguageAsync(languageCode);
        if (result.Succeeded)
        {
            _snackBar.Add(result.Messages[0], Severity.Success);
            _navigationManager.NavigateTo(_navigationManager.Uri, forceLoad: true);
        }
        else
        {
            foreach (var error in result.Messages)
            {
                _snackBar.Add(error, Severity.Error);
            }
        }
    }
}