SelectedOptionChanged only response 1St. Item selection and fired twice in FluentListbox

[ShingYehGit]

Code

@code {
[Parameter, EditorRequired]
public EventCallback GoToSwitchTab { get; set; }

List<AskList> AskLists;
bool BAskListDisplay = false;
Ask LastAsk = null;

protected override void OnParametersSet()
{

    if (!BAskListDisplay)
    {
        string UseLingual = "zh-Hant";
        QuerySvc.TheUser.SwitchToCultue(UseLingual);
        AskLists = QuerySvc.GetDivineQuerySubject(UseLingual);
        QuerySvc.TheUser.RestoreToLastCultue();
        StateHasChanged();
        BAskListDisplay = true;
    }

}

async Task OnSelectAskChanged( Ask PickAsk )
{
    if (LastAsk != null && PickAsk == LastAsk)
        return;
    QuerySvc.SelectAsk = PickAsk;
    LastAsk = QuerySvc.SelectAsk;
    GoToSwitchTab.InvokeAsync("SelQueTab");
}

}

[vnbaaij]

There is no ready-to-run reproduction code. We will not look at this until there is. If it is not added in 3 days, the issue will be closed.