_model.Content) /> @code { private AddCommentViewModel _model = new AddCommentViewModel(); [Parameter] public string Username { get; set; } [CascadingParameter] private Task authenticationStateTask { get; set; } private string _username; [Parameter] public EventCallback OnSubmit { get; set; } protected async override Task OnInitializedAsync() { _username = (await authenticationStateTask).User.Identity.Name; } private async Task OnValidSubmit() { await OnSubmit.InvokeAsync(_model); _model = new AddCommentViewModel(); } }